There are several different abrasive products made for this application. Depending on the ID, length and material there are many different opions. From wire tube brushes, flap wheels to nonwoven products. Check with a local industrial supply house.
the sand clock has tube which has sand in it when the tube is flipped the sand flows from one part of the tube to another. this movement cause one minute. these clocks are used in games..
Fulgarite
tube-light is coated with phosphorous from inside
He ate sand.
Fulgarite
Sand is just small rocks, so nothing.
Sand is inside the 'Jar Of Dirt'.
Yes it does.
Sand
solid
Sand
Sand is non-living because it is to small for it to have lungs inside of it.