press for plastics molding
71Poppet valve — A poppet valve is a valve consisting of a hole, usually round or oval, and a tapered plug, usually a disk shape on the end of a shaft also called a valve stem. The shaft guides the plug portion by sliding through a valve guide. In most… …
72elastomer — elastomeric /i las teuh mer ik/, adj. /i las teuh meuhr/, n. Chem. an elastic substance occurring naturally, as natural rubber, or produced synthetically, as butyl rubber or neoprene. [1935 40; ELAST(IC) + O + Gk méros a part] * * * ▪ chemical… …
73Diana camera — Diana Maker Great Wall Plastic Factory, Lomographische AG, Type Box camera Image sensor type Film Imag …
74Laine De Verre — La laine de verre est un matériau se présentant comme un matelas de fibres de verre extrêmement fines[1]. On l utilise dans le bâtiment comme isolant thermique, isolant acoustique ou absorbant acoustique, ou pour la protection contre l’incendie.… …
75insert — [1] When referring to bearings it indicates a replaceable shell type bearing made to extremely close tolerances and generally used for main bearings and connecting rod bearings. [2] When referring to valves it indicates replaceable valve seats… …
