Mineral, vegetable and animal substances, by means of tools and apparatus of stone, wood and bone - tools for cutting, or edged tools; tools for abrading and smoothing the surfaces of substances, like planes, rasps and sandpaper; tools for striking, that is, pounding for the sake of pounding, or for crushing and fracturing violently; perforating tools; devices for grasping and holding firmly.
Quartz is a valuable grinding and polishing material, and is used for making sandpaper and scouring-soap. It is also largely used in the manufacture of glass and porcelain, "silver sand" being a pure quartz sand.
Fine grit sandpaper - You need to purchase 220 grit sandpaper in order to make sure your floors are smooth to the touch and any marks left by previous sanding are gone.
abrade the surface using a dry sandpaper, rubbing in the direction of the grain.
Predation losses were determined by lightly gluing giant foxtail and velvetleaf weed seeds onto squares of sandpaper.