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.
The iliac crest is the curved ridge at the top of the pelvic bone. It forms the prominent bone of the hip. The iliac bone crest is the uppermost edge of the ilium, one of three fused bones, the ilium, the ischium, and the pubis, that together make up the pelvis.Of the three pelvic bones, the ilium is the largest.everal important hip, back, and abdominal muscles have their origin at this bone. The iliac crest is a particularly important bone structure in medicine, as it contains large amounts of bone marrow. It is often used as a source of red bone marrow cells and stem cells for bone marrow transplant procedures.