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.
For different types of machinery and systems, various measuring tools, instruments and gauges are used on a ship. Measuring instruments and gauges are used to measure various parameters such as clearance, diameter, depth, ovality, trueness, etc. These are critical engineering parameters, which describe the condition of the working machinery.