- Vomiting
Indications for Use
Albendazole is a broad-spectrum anthelmintic medication that works by inhibiting the growth and reproduction of parasites. Originally introduced in the 1970s, it has since become a cornerstone of deworming programs across the globe due to its efficacy, safety, and low cost. This medication disrupts the metabolism of the worms by binding to their tubulin, inhibiting microtubule formation, and ultimately leading to their death.
Preventing lice infestations in goats involves good management practices
Start by introducing the supplement gradually into your horse's diet. Monitor your horse’s behavior and overall demeanor to assess the supplement’s effect. It may take some time to notice significant changes, as natural supplements usually work gradually.
5. Veterinary Care Chronic or severe leg pain requires professional evaluation. A veterinarian can diagnose the specific cause of pain and recommend appropriate treatments, including medications, therapy, or, in some cases, surgery.
Omega Fatty Acids
Side Effects and Considerations
Bacterial infections in dogs can manifest in various ways, affecting different systems within the body. Common types of bacterial infections include skin infections (e.g., pyoderma), urinary tract infections (UTIs), respiratory infections, and gastrointestinal infections. Symptoms can range from mild discomfort to severe illness, including fever, lethargy, vomiting, diarrhea, and skin lesions. Recognizing these symptoms early is crucial for effective treatment.
As a responsible pet owner, ensuring the health and well-being of your cat is of paramount importance. Just like humans, cats require a balanced diet brimming with essential vitamins and minerals to thrive. However, some cats may not receive all the necessary nutrients from their standard diet alone. This is where cat multivitamin paste comes in, offering an effective supplement to fill potential nutritional gaps.
Thrush is primarily caused by an anaerobic bacterium, typically found in muddy or dirty environments. Horses that are kept in wet, unsanitary conditions are particularly susceptible. The frog is the area most affected because it is soft and, when healthy, acts as a shock absorber. When thrush develops, the frog may become discolored and produce a black, foul-smelling substance.
Deworming is an essential aspect of livestock management, particularly for pigs, as they are prone to various internal parasites that can adversely affect their health, growth, and overall productivity. Effective deworming not only helps in maintaining the health of the pigs but also ensures that the meat is safe for consumption. This article will explore the types of deworming medicines available for pigs, their application, and the importance of a comprehensive deworming program.
Conclusion
The use of Albendazole is indicated for several infections, including
If you suspect that you have a horse allergy, it's crucial to consult with an allergist or healthcare provider. The diagnosis typically involves a detailed medical history, a physical exam, and possibly allergy tests. Skin prick tests and blood tests can help identify specific allergens, allowing for tailored treatment plans.
2. Antiparasitics This category includes drugs designed to treat infestations by parasites, such as worms, fleas, and ticks. Common antiparasitics include praziquantel for tapeworms and ivermectin for a range of internal and external parasites. The effective management of parasites is crucial for keeping pets and livestock healthy, as these organisms can lead to more serious health issues.
Horses have been companions to humans for centuries, and as our understanding of animal health has evolved, so too has the approach to caring for these magnificent creatures. One increasingly popular method of maintaining equine health is through the use of herbal remedies. With the rise of holistic and natural remedies, many horse owners are turning to herbal solutions to address various health issues in their equine partners.
In addition to improving health, the use of cattle pills has a direct impact on productivity. Healthier cows tend to produce more milk and gain weight more effectively. By mitigating the risks of illness and reducing the incidence of disease, farmers can enhance productivity and, consequently, profitability. This is particularly important in an era where the demand for animal protein continues to rise globally, and farmers are under pressure to increase production while also adhering to ethical and sustainability standards.
1. Cranberry Supplements One of the most popular OTC remedies for both humans and dogs is cranberry extract. It is believed that cranberry can prevent bacteria from adhering to the walls of the urinary tract, thus reducing the likelihood of infections. Look for products specifically designed for dogs, as they often come in palatable forms such as chewable tablets or powders.
Additionally, consider the quality of the product. Choose reputable brands that perform third-party testing for potency and purity to ensure safety. The format of the tablet can also play a role; some pets may prefer chewable tablets, while others may accept flavored liquid forms.
1. Phenolic Compounds Known for their broad-spectrum activity, phenolic disinfectants are effective against bacteria, viruses, and fungi. They are often used in high-contamination areas but can be harsh on surfaces and require appropriate safety measures during application.
The Importance of Multivitamins for Rabbits
Treating yeast infections in dog paws often involves a combination of topical and systemic therapies
4. Use in Hospital Settings Injectable antibiotics are essential for patients who are hospitalized or those requiring intravenous therapy, ensuring they receive the necessary treatment promptly.
In conclusion, a wide array of common veterinary drugs exists, each designed to address specific health needs of animals. From antibiotics and anti-inflammatory drugs to vaccines and antiparasitics, the arsenal of veterinary medicine is extensive. Understanding the functions and proper use of these medications is vital for ensuring the health and well-being of our animal companions. As the field of veterinary medicine advances, continuous education and responsible drug use will remain paramount in promoting effective treatment and preventing potential health issues in animals.
Treatment Options
1. Glucosamine and Chondroitin These ingredients are known for their joint-supportive properties, which can help alleviate discomfort and improve mobility in aging dogs suffering from arthritis or joint degeneration.
1. Glucosamine This amino sugar plays a crucial role in building cartilage. It helps to enhance the production of synovial fluid, which lubricates joints, reducing friction and discomfort during movement.
However, it is important to use these medications judiciously. Overuse or misuse can lead to adverse effects, such as gastrointestinal upset or allergic reactions. Moreover, while mucolytic expectorants can provide relief for many, they should not replace comprehensive medical treatment for underlying respiratory diseases. Patients are often advised to pair mucolytics with other therapeutic agents, such as bronchodilators or anti-inflammatory medications, for a more effective approach to managing their respiratory health.
Horses are also prone to respiratory issues, particularly those that are stabled for long periods. Herbal remedies like eucalyptus and thyme are often used to support respiratory health. Eucalyptus has natural anti-inflammatory and decongestant properties, making it beneficial for clearing airways. Thyme, known for its antiseptic properties, can also help combat infections and soothe irritation in the respiratory tract. Adding these herbs to a horse’s environment, such as in their bedding or through steam inhalation, can provide relief from respiratory conditions.
Albendazole works by disrupting the parasites' ability to absorb glucose, leading to their eventual death
. It is effective against a wide range of parasitic worms and is considered a safe and well-tolerated medication when used as directed.Amoxicillin works by targeting the bacterial cell wall. It inhibits the synthesis of peptidoglycan, an essential component of the bacterial cell wall, which leads to the weakening of the wall and ultimately causes the bacteria to burst and die. Amoxicillin is effective against a range of gram-positive and some gram-negative bacteria. However, it is important to note that amoxicillin is ineffective against viral infections such as the common cold or influenza.
One approach to managing coughing in poultry is through the use of antibiotics. Bacterial infections can lead to severe respiratory conditions in birds; thus, timely administration of appropriate antibiotics is crucial. It's essential to conduct diagnostic testing to identify the specific bacteria responsible for the infection, allowing for targeted treatment that minimizes the risk of antibiotic resistance.
Advancements in Animal Health
Before using Endosorb, it is essential to consult with your veterinarian, especially if your dog is showing signs of severe gastrointestinal distress. Your vet will be able to determine if Endosorb is the right choice based on your dog’s specific symptoms and medical history.
Amoxicillin is a broad-spectrum antibiotic belonging to the penicillin family, widely utilized in both human and veterinary medicine. In veterinary practice, amoxicillin injection serves as a vital tool for managing bacterial infections in various animal species, including pets like dogs and cats, as well as livestock such as cattle, sheep, and pigs. Understanding the applications, dosage, efficacy, and safety of amoxicillin in veterinary use is crucial for veterinarians, animal owners, and the overall welfare of animals.
Administration and Considerations
Dogs are more than just pets; they are beloved members of our families. As responsible pet owners, ensuring their health and happiness is paramount. Dog treatments encompass a wide range of solutions, including preventive care, medical procedures, and home remedies. Understanding these treatments is essential for providing the best care for your furry friend.
Routine health check-ups are vital to catch potential health issues early. Observe your birds daily for any changes in behavior, appetite, or egg production. Keeping a record of each bird's health, including weight and egg production, can help identify trends or problems over time.
प्लास्टिक फ्रेम शेकर स्क्रिनका विषयमा लेख
For anyone looking to purchase stainless steel bar grating, it is advisable to obtain quotes from multiple suppliers and to ensure that they are comparing similar grades and specifications. By doing this, consumers can better understand the market and make educated choices that meet both their budgetary and functional requirements.
Ғалванизатсияшудаи оҳанӣ Маҳсулот, Фоидаҳо ва Истифода
Selecting the appropriate thickness of steel grating is crucial for ensuring the structural integrity and safety of a project. By considering factors such as load requirements, span lengths, environmental conditions, and safety regulations, engineers and designers can make informed decisions. Ultimately, the right thickness not only guarantees safety and performance but also contributes to the longevity of the structure. As the construction industry evolves, understanding the nuances of steel grating, including thickness, will remain a fundamental aspect of successful design and planning.
Metallene Catwalk-Böden Eine innovative Lösung für moderne Räume
Offshore Pipeline Counterweight Welded Wire Mesh Isang Pagsusuri
Trong thiết kế và xây dựng ngày nay, an toàn luôn là yếu tố hàng đầu, đặc biệt là trong các khu vực có nguy cơ trượt ngã cao như bậc thang. Một trong những giải pháp hiệu quả nhất để cải thiện độ bám và an toàn cho bậc thang là việc sử dụng bậc thang rãnh răng (serrated grating stair treads). Những bậc thang này không chỉ cung cấp độ bám chắc chắn mà còn mang lại tính thẩm mỹ cho không gian.
Moreover, aluminum grate sheets are incredibly easy to install and maintain. Their lightweight nature allows for quick handling and installation, reducing labor costs and time. In addition, the maintenance requirements are minimal; a simple cleaning with soap and water can keep them looking new for years. This ease of use is particularly appealing to project managers and builders who seek cost-effective solutions without sacrificing quality.
Maintenance is another vital aspect when considering flooring options. Heavy-duty steel grating requires minimal upkeep – periodic cleaning and inspections are all that is needed to ensure its longevity and performance. This low-maintenance characteristic helps reduce overall operational costs, making it an economically sound choice for businesses.
Overall, the properties of stainless steel bar grating make it a top choice for industries that demand durability, strength, and corrosion resistance in harsh and corrosive environments.
Metallrippen für Treppenstufen sind in der modernen Architektur und im Bauwesen unverzichtbar geworden. Sie bieten nicht nur Sicherheit, sondern auch eine Vielzahl von funktionalen und ästhetischen Vorteilen. Diese speziellen Profile aus Metall werden häufig in öffentlichen Gebäuden, industriellen Bereichen und sogar in privaten Wohnhäusern eingesetzt. In diesem Artikel werden wir die Vorzüge und Einsatzmöglichkeiten von Metallrippen für Treppenstufen untersuchen.
Aesthetic appeal is another significant aspect of walkway grates. While functionality is crucial, the visual impact of these elements should not be overlooked. Available in various designs, colors, and finishes, walkway grates can complement the surrounding landscape or architectural style. Whether a sleek, modern look is desired or a rustic, traditional vibe is preferred, there are grates available to suit the specific aesthetic requirements of a project. Decorative patterns can also be incorporated into the design, adding an artistic touch that enhances the overall visual landscape.
មុខងារ និងអត្ថប្រយោជន៍
Avslutande Tankar
Галванизированные стальные решетки также отличаются хорошей воздухопроницаемостью и возможностью отводить воду. Это свойство делает их идеальными для укладки на пешеходных дорожках, площадках для автомобилей и в местах, где требуется обеспечить дренаж. Решетки также широко используются в системах вентиляции и в производстве оборудования для сельского хозяйства.
अन्तमा, धातुका ग्रेटहरू सिड्नको लागि एक अनिवार्य तत्व हुन्। तिनीहरूले सुरक्षा, चारकोनियत, र दीर्घकालिक स्थायित्व प्रदान गरेर, कुनै पनि सिड्नको गुणस्तरमा सुधार गर्न मद्दत गर्दछ। धातुका ग्रेटहरूको चयन गर्दा, गुणस्तर र उपयुक्तता सुनिश्चित गर्न एक योग्य आपूर्तिकर्तासँग परामर्श गर्न महत्त्वपूर्ण छ।
Un autre aspect notable de ce treillis est sa résistance à la corrosion. En effet, l’acier utilisé est souvent traité avec des revêtements spéciaux qui le protègent des éléments extérieurs, prolongeant ainsi sa durée de vie et réduisant les coûts d’entretien. Cette caractéristique est particulièrement importante dans les environnements exposés à des agents corrosifs, comme les sites pétrochimiques ou les installations maritimes.
Manufacturing Process
Standard steel grating comes in different types, each serving unique purposes
. The most common types includeیکی از نکات مهم در انتخاب شبکههای فلزی، توجه به مشخصات فنی آنها است. شبکههای فلزی با طراحیها و ابعاد مختلفی در بازار وجود دارند که هر کدام مناسب کاربرد خاصی هستند. به عنوان مثال، شبکههای با چشمههای بزرگتر معمولاً برای کاربردهای صنعتی و شبکههای با چشمههای کوچکتر برای پروژههای ساختمانی مناسبتر هستند.
Kanalizasyon Kanalları ve Izgaraları Boyutlandırma ve Kullanım Alanları
Kävelytiet ja ritilät voivat olla kauniita sekä toimivia elementtejä maisemassa. Ne tarjoavat mahdollisuuden yhdistää käytännöllisyys ja esteettisyys, luoden tiloja, jotka ovat sekä toimivia että houkuttelevia. Olipa kyseessä julkinen puisto, teollinen alue tai yksityinen piha, kevyet kävelytiet antavat mahdollisuuden luoda turvallisia ja houkuttelevia liikuntapintoja, jotka parantavat käyttäjien kokemusta.
스틸 그레이터의 주요 장점은 그들의 구조적 안정성과 경량 디자인입니다. 스틸 그레이터는 공기 흐름을 허용하며, 물과 기타 액체의 배수가 용이하여 슬립 사고를 줄이는 데 많은 도움이 됩니다. 따라서 외부 환경에서도 뛰어난 성능을 발휘합니다. 이와 같은 특성 덕분에 스틸 그레이터는 물리적 하중을 견디면서도 가볍고 경제적인 선택이 되어줍니다.
3. Manufacturing Process The method used to manufacture the grating can also influence cost. Some processes, such as welded grating, may be more expensive than others due to the increased labor and materials involved. Customization, such as specific sizes or finishes, can also add to the final cost.
Stainless steel channel drains are increasingly popular in both residential and commercial applications due to their durability, aesthetic appeal, and efficiency in water management. Designed to efficiently redirect water away from surfaces, these drains are essential in maintaining the integrity of structures while preventing water accumulation.
Важно отметить, что серрейторные решетки могут быть выполнены в различных дизайнах и цветах, что позволяет легко интегрировать их в общее оформление помещения или здания. Это позволяет не только обеспечить безопасность, но и улучшить эстетическое восприятие пространства.
Afslutningsvis, når du står over for valget af stålristens tykkelse, er det vigtigt at overveje alle disse faktorer. Den optimale tykkelse vil variere afhængigt af de specifikke krav til belastning, miljøforhold og budget. Gennem grundig planlægning og rådgivning kan man sikre, at valget af stålrist er både sikkert og økonomisk fornuftigt.
Aggregate Processing: In the aggregate industry, shaker screens are used to separate crushed stone, sand, and gravel into different size fractions. This ensures that the final product meets the required specifications for construction and other applications.
Sammanfattningsvis är hot-dip galvaniserad gitter en mångsidig och hållbar lösning för olika industrisektorer. Dess korrosionsskyddande egenskaper, långvariga prestanda och estetiska fördelar gör det till ett attraktivt val för både konstruktions- och designprojekt. Genom att välja denna typ av gitter kan företag inte bara förbättra sin effektivitet utan också bidra till en mer hållbar framtid.
Hindi lamang ito kapaki-pakinabang sa usaping pangkaligtasan at gamit, kundi mayroon ding mga aesthetic na benepisyo. Ang mga walkway na ito ay maaari ring i-customize upang tumugma sa disenyo ng kapaligiran. Ang pagkakaroon ng maayos na walkway ay nagdaragdag sa kabuuang hitsura ng isang lugar, na nagiging bahagi ng karanasan ng mga tao sa kanilang pagbisita.
갈바니즈 강철 그레팅 현대 건설에서의 중요한 역할갈바니즈 강철 그레팅은 현대 건설 및 산업 현장에서 필수적인 요소로 자리 잡고 있습니다. 이 제품은 높은 내구성과 강도를 자랑하며, 다양한 환경에서 안전한 보행 경로를 제공합니다. 갈바니즈 처리된 그레팅은 철강 재료에 아연을 코팅하여 부식에 대한 저항력을 높인 것입니다. 이러한 특성 때문에, 갈바니즈 강철 그레팅은 특히 외부 환경에서 사용하기에 적합합니다.갈바니즈 강철 그레팅은 주로 발코니, 계단, 다리, 산업 공장 등의 보행로 및 작업 공간에 사용됩니다. 이 제품은 미끄럼 방지 기능이 강화되어 있어, 예기치 못한 사고를 예방하는 데 큰 역할을 합니다. 특히 비가 오는 날이나 습기가 많은 환경에서도 안정적인 발판을 제공하여 안전성을 높이는 데 기여합니다.또한, 갈바니즈 그레팅은 설치가 간편하다는 장점을 가지고 있습니다. 다양한 사이즈와 형상으로 제작할 수 있어, 고객의 요구에 맞춰 맞춤형 솔루션을 제공할 수 있습니다. 이러한 유연성 덕분에, 갈바니즈 강철 그레팅은 다양한 산업에서 매우 널리 사용됩니다. 예를 들어, 화학 공장, 발전소, 운송 센터 등에서 필수적인 요소로 자리 잡고 있습니다.환경 친화적인 측면에서도 갈바니즈 강철 그레팅은 긍정적인 평가를 받고 있습니다. 철강은 100% 재활용이 가능한 소재이기 때문에, 불필요한 자원 낭비를 줄일 수 있습니다. 또한, 갈바니즈 처리는 제품의 수명을 연장시켜주어, 교체 주기를 감소시킵니다. 이는 자원 효율성을 높이며, 전체적인 생태 발자국을 줄이는 데 기여합니다.더욱이, 갈바니즈 강철 그레팅은 경제적입니다. 초기 투자 비용이 상대적으로 낮으면서도, 긴 사용 수명과 낮은 유지 보수를 고려할 때 장기적으로는 매우 경제적인 선택이 됩니다. 이는 많은 기업들이 예산 제약 속에서도 안전하고 효율적인 작업 환경을 유지할 수 있도록 도와줍니다.결론적으로, 갈바니즈 강철 그레팅은 현대 산업 환경에서 안전성과 효율성을 높이는 데 필수적인 요소입니다. 그 내구성과 경제성, 환경적 이점은 많은 기업들에게 매력적으로 다가오고 있습니다. 비록 갈바니즈 강철 그레팅이 산업 환경에서의 역할이 주목받고 있지만, 그 활용 범위는 앞으로도 계속 확대될 것으로 기대됩니다. 따라서, 이 제품을 활용한 다양한 솔루션이 앞으로 더욱 중요해질 것입니다.
Safety is another key benefit of steel grating flooring. Its open design allows for quick drainage of water, oil, and other liquids, significantly reducing the risk of slips and falls in industrial settings. Furthermore, the grating's surface can be treated with anti-slip coatings or patterns, enhancing safety even further. This makes it an ideal choice for environments where safety is a top priority, such as chemical plants and food processing facilities.
Walkway grates, often made from materials such as steel, aluminum, or fiberglass, serve as an integral component in various outdoor settings. They are primarily designed to facilitate pedestrian movement while allowing water, debris, and other materials to pass through, preventing puddles and ensuring safety. This article delves into the functionality, benefits, and aesthetic considerations surrounding walkway grates, highlighting their importance in urban planning and landscape design.
I takt med at fokus på bæredygtighed stiger, bliver ståljernriste også betragtet som en miljøvenlig løsning. De er ofte fremstillet af genanvendte materialer, og deres langvarige natur betyder, at de ikke kræver hyppig udskiftning, hvilket reducerer affald og ressourceforbrug.
Le grate in acciaio sono elementi fondamentali utilizzati in una varietà di applicazioni industriali e commerciali. Le dimensioni standard delle grate in acciaio possono variare a seconda dell'uso specifico, delle normative e delle esigenze progettuali. Comprendere queste dimensioni è essenziale per garantire la sicurezza, la funzionalità e l'estetica delle strutture in cui vengono installate.
Stahlgitter für Entwässerungssysteme Funktionalität und VorteileStahlgitter sind ein unverzichtbarer Bestandteil moderner Entwässerungssysteme. Sie bieten nicht nur eine effektive Möglichkeit, Wasser abzuleiten, sondern tragen auch zur Sicherheit und Langlebigkeit von Infrastrukturen bei. Besonders in städtischen Gebieten, wo Starkregen und Überschwemmungen häufig vorkommen, ist die richtige Wahl des Entwässerungssystems von entscheidender Bedeutung.Ein wesentliches Merkmal von Stahlgittern ist ihre hohe Tragfähigkeit. Sie sind in der Lage, große Lasten zu tragen, was sie ideal für Straßen, Industrieanlagen und andere stark belastete Bereiche macht. Im Vergleich zu herkömmlichen Materialien wie Kunststoff oder Gusseisen bieten Stahlgitter eine bessere Stabilität und Widerstandsfähigkeit gegen mechanische Einwirkungen. Darüber hinaus sind sie korrosionsbeständig, vor allem wenn sie verzinkt oder pulverbeschichtet sind, wodurch ihre Lebensdauer erheblich verlängert wird.Ein weiterer Vorteil von Stahlgittern ist ihre einfache Installation und Wartung. Sie lassen sich mühelos in bestehende Entwässerungssysteme integrieren und können bei Bedarf leicht ausgetauscht werden. Dies reduziert die Ausfallzeiten und die Kosten für die Instandhaltung erheblich. Zudem sind Stahlgitter in verschiedenen Designs und Größen erhältlich, die sich an die spezifischen Anforderungen eines Projekts anpassen lassen.Die Verwendung von Stahlgittern fördert auch die Nachhaltigkeit. Da sie wiederverwendbar und recycelbar sind, tragen sie zur Reduzierung von Abfall bei. Dies ist besonders wichtig in Zeiten, in denen umweltbewusste Lösungen immer stärker nachgefragt werden.Ein weiterer entscheidender Aspekt ist die Sicherheit. Stahlgitter werden so entwickelt, dass sie eine rutschfeste Oberfläche bieten, die das Sturzrisiko für Fußgänger und Fahrzeuge minimiert. In Kombination mit einer durchdachten Entwässerungsplanung können sie helfen, stehendes Wasser zu vermeiden, das zu gefährlichen Situationen führen könnte.Zusammenfassend lässt sich sagen, dass Stahlgitter für Entwässerungssysteme eine vielseitige und praktische Lösung darstellen. Ihre Robustheit, Langlebigkeit und Anpassungsfähigkeit machen sie zur bevorzugten Wahl für Stadtplaner und Ingenieure, die sichere und effiziente Entwässerungssysteme entwickeln möchten. In einer zunehmend urbanisierten Welt ist die Wahl des richtigen Materials entscheidend für die Langlebigkeit und Funktionalität öffentlicher Infrastrukturen.
Aluminum bar grating also comes in various design options, including flush top, rectangular bar, plank, and I-bar, allowing for flexibility in meeting different project requirements. These design options offer different load-bearing capacities and aesthetic appearances, providing versatility in usage.
Another noteworthy aspect of mesh grating flooring is its environmental impact. Manufacturers are increasingly focusing on creating products that are recyclable and sustainable. For instance, fiberglass mesh grating can be made from recycled materials, further reducing its ecological footprint.
Кроме того, нержавеющая сталь обладает высокой прочностью, что позволяет использовать такие решетки в местах с интенсивным движением, например, на парковках, в производственных помещениях или на улицах с высоким уровнем автомобильного трафика. Они способны выдерживать большие нагрузки, что делает их надежным выбором для любого типа объектов.
In conclusion, metal floor grates are an ideal flooring solution that combines functionality with style. When considering purchasing options, it's essential to evaluate the type of material, intended use, and the specific environment where they will be installed. By investing in quality metal floor grates, you can ensure the longevity and safety of your flooring while enhancing the overall aesthetic of your space. Whether you're looking for practical solutions for a commercial space or stylish accents for your home, there's a suitable metal grate just waiting for you to discover.
प्लास्टिक फ्रेम शेकर स्क्रिनका विषयमा लेख
2. Устойлівасць і надзейнасць Якасць матэрыялаў, з якіх вырабленыя гріды, забяспечвае іх устойлівасць да механічных пашкоджанняў, зменаў тэмпературы і хімічных рэчываў, што звычайна прысутнічаюць у навакольным асяроддзі.