Pure aloe gel may be applied to the surface of the skin for minor skin irritations. Children should never take oral aloe preparations. Adult. Slit the leaf of an aloe plant lengthwise and remove the gel from the inside, or use a commercial preparation.
Canton Flannel is a very soft material, and therefore is ideal for polishing items where a gentle touch is needed. Canton Flannel wheels are used in the jewelry trade to polish items with gold or silver plating, where no removal of metal is desired.
Powder metallurgy is also used to make unique materials impossible to get from melting or forming in other ways. A very important product of this type is tungsten carbide (WC). WC is used to cut and form other metals and is made from WC particles bonded with cobalt.