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.
Crest (usually written CREST) is a UK-based central securities depository that holds UK equities and UK gilts as well as Irish equities and other international securities. It was named after its securities settlement system, Crest, and has been owned and operated by Euroclear since 2002.t is also an electronic trade confirmation system (ETC) (using Trax). When parties to a transaction make a deal, they both electronically confirm their sides of the transaction via electronic transfer. Both parties are required to submit confirmation details to Crest.