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.
Lloyds Building Commentary. Whereas the frame of the building has a long life expectancy, the servant areas, filled with mechanical equipment have a relatively short life, especially in this energy-critical period. The servant equipment, mechanical services, lifts, toilets, kitchens, fire stairs, and lobbies, sit loosely in the tower framework, easily accessible for maintenance, and replaceable in the case of obsolescence.