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.
Diseases on the Inside When insects harbor viruses, bacteria, or parasites inside their bodies, they can spread disease a second way by passing it on through a bite or other means. Only a small percentage of insects transmit disease to humans in this way.any insects feed exclusively on plants, while certain ones eat other insects. Houseflies carry disease-causing agents on their feet Of course, there are insects that annoy man and beast with their painful bite or simply by their presence in vast numbers. Some also wreak havoc on crops.