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.
Safety-Critical Elements. âSafety-critical elementsâ means such parts of an installation and such of its plant (including computer programmes), or any part thereofâ. the failure of which could cause or contribute substantially to; or. a purpose of which is to prevent, or limit the effect of, a major accident.