Sandbag
A leather bag filled with sand used to support work during sinking or raising.
Scorper
A kind of fine chisel used in engraving.
Scriber
A hand tool used to mark lines on work prior to cutting.
Shank
The end of a drill bit gripped by the chuck of a drill, or the end of a file held in a handle.
Shot
Small pieces of steel used in a barrel polisher.
Silver
A soft, white precious metal. Sterling silver is 92.5% silver, the rest is copper. Pure silver is known as fine silver.
Solder
A metal alloy used to join together pieces of metal, it must have a melting point below that of the work piece.
Soldering
In jewellery, silver soldering is done with a torch and is also known as brazing.
Sprue
A passage through which liquid metal is introduced into a mould.
Steel
An alloy made by combining iron and other elements (commonly carbon).
Stop out varnish
Used to selectively protect areas of a surface from the effects of a mordant during etching.
Sulphuric acid
Commonly used as in pickling solutions.
Swaging
A forging process in which the shape of an item is altered using a die called a swaging block.
