This form of circlip often used in assemblies subjected to strong centrifugal forces, is also secure against high rotational speeds. Lugs with holes are provided for rapid fitting or removal with circlip pliers.his form of circlip often used in assemblies subjected to strong centrifugal forces, is also secure against high rotational speeds. Lugs with holes are provided for rapid fitting or removal with circlip pliers.
Frequently Asked Questions about Black Fly Dangers. Q: Can Black Flies carry diseases? A: Yes, they have been known to transmit diseases to humans and animals. In Africa, Central America and South America, Black Flies can transmit two diseases to humans: onchocerciasis, known as âriver blindness,â and mansonellosis.
Horseflies can cause damage to both people and animals: 1  The bite from a horsefly is extremely painful. 2  Horseflies are the cause of diseases, such as leucocytozoan. 3  Livestock loses weight due to horseflies.  Diseases like hog cholera, anthrax, tularemia, and anaplasmosis are transmitted by horseflies.