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(english) Chemical symbol for Zirconium
(english) Tackle used in conjunction with a crane for turning over the cope or drag of a mold prior to assembly.
(English) The top level of the boiler firebox where four oil guns are located. The oil guns are used to produce steam and maintain pressure while the boiler is on oil fire.
(Environmental Engineering) A functional group which consists of a carbon with a carboxylic acid, "-COOH" and an amine, "-NH2." These compounds are the building blocks for proteins.
(english) Reverse taper which would prevent removal of a pattern from a mold or a core from a corebox.
(Software Engineering) a quantitative measure of a program's complexity
(Environmental Engineering) A legal and controlled area for the placement of wastes into the ground.
(Concrete Engineering) A tool having a serrated face, as rows of pyramidal points, used to develop an architectural finish for concrete surfaces.
(Software Engineering) a technique that translates the needs of a customer in technical requirements for software by assessing the value of each requirement
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