A group of attached keys may be made in one piece during this method. Alternately, individual keys may be stamped out There are two main clarinet key methods in use. The simple, or Albert, system is used principally in German communicating nations. The Bohm system has more keys than the Albert and is usual in most other parts of the realm. by a heavy stamping laptop, and then trimmed. These individual keys are then soldered along with silver solder to make the attached group. Next the keys are polished. Keys for reasonable models may be placed in a tumbling computer, where friction and agitation of pellets in a revolving drum polish the pieces. More costly keys may be buffed for my part by being held in opposition t the rotating wheel of a polishing computing device. Some keys may be silver plated, after which polished. Clarinet production itself is a fairly conservative industry, counting on highly skilled craftspeople who do much work by hand.