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English to Persian (Farsi) translations [PRO] Other
English term or phrase:mechanical pick-up
This promotes penetration of the metal into the inter-granular spaces and the formation of mechanical pick-up which is difficult to remove from the casting surface. Considering that the sand moulds and cores are highly porous, the production of castings in these materials without pick-up and other surface defects is possible only with protection of the surfaces of moulds and cores with refractory coatings.