We will concentrate on size reduction utiliz-. ing hammer-mills for the manufacturing of petfood. There are. many types of designs and technologies utilized in particle size. reduction; however, hammer-mills are generally accepted as the. most efficient type of grinder for the manufacturing of petfood. and aquatic diets and feeds. The use of air-swept pulverizers is common in aquaculture.
Background. CREST (calcinosis, Raynaud phenomenon, esophageal dysmotility, sclerodactyly, and telangiectasia) syndrome is a member of the heterogeneous group of sclerodermas, and its name is an acronym for the cardinal clinical features of the syndrome.n 1910, Thibierge and Weissenbach described the first case report of what was later called CRST (calcinosis cutis, Raynaud phenomenon, sclerodactyly, and telangiectasia) syndrome in English by Winterbauer who, in 1964, described a series of 8 patients with the features that make up the abbreviation CRST.
Iliac crest forms the margin of ilium, and is a curved and broad structure that helps protect the inside of pelvic region. This crest forms the curved superior border area of the Ilium. Ilium is the largest of the bones that merge together to form the hipbone. There are usually three bones that merge and form the hipbone. Iliac crest is located on lateral edge of the superior of the Ilium and it is very close to the surface of skin within the hip region.