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.
up vote 10 down vote accepted. There is no such thing as a family crest nor a family coat-of-arms. A crest is the device the device/object attached to the top of the helm (helmet). The coat-of-arms is the armiger's device portrayed upon the shield.The crest is one component of a coat-of-arms, which can be used as a simplified symbol when the full coat-of-arms is too detailed e.g. on engraved cutlery.nly rarely is the crest part of the coat of arms modified, so all the sons have different coats of arms that include the same crest. In England at least, no crest has ever been granted that was not part of a coat of arms.