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หัวเจียรยาง - An Overview

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· The individual abrasive balls on the specifically coated grindstone fit the workpiece surface. Their spherical condition isn't going to destruction workpieces and permits heavy-duty do the job. Pure rubber is the sole non-synthetic rubber. It is a all-natural useful resource obtained from latex found in the sap of Hevea https://beediadiamond.com/catalog/rubber-points

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