By T. J. Dunn, Jr., DVM. Demodex in the dog is a common infestation of the dogâs skin with tiny, cigar-shaped, eight-legged mites.Also referred to as demodectic mange, the mites reside and feed in the hair follicle and oil glands of the skin.y T. J. Dunn, Jr., DVM. Demodex in the dog is a common infestation of the dogâs skin with tiny, cigar-shaped, eight-legged mites.
So it is. also important to identify the critical parts. The parts directly affect the performance of. equipment performance and operations are known as critical parts of equipments. Each. equipment overall performance depend upon the condition of bearings. So these bearings. are treated critical parts.
OSHA Defined Critical Lift. According to OSHA (29 CFR 1926.751) a critical lift means a lift that: (1) exceeds 75 percent of the rated capacity of the crane or derrick, or (2) requires the use of more than one crane or derrick.