I think what you are asking is an abacus.
Some people say that the Abacus was invented before any other counting device so many thousands or years ago that the inventor is not known
Marching piccolos are typically made from sterling or pure silver, while piccolos made for orchestras are generally made of wood (with silver keys and/or headjoint). Some also are made out of resin.
to fasten something with a small device, normally metal
because its made of metal
A capacitor
A capacitor
a zapping device is like a taser it can send a electric impulse into something like a human or animal to stun it. a electro magnetic device is something police will use to see if you have any metal or weapons on you and they are also used at airports to see if you have any metal or weapons on you to.
The cast of Metal by Numbers - 2006 includes: Scott Ian as himself Brian Posehn as himself
Metal and glass.
Iron Maiden
by using metal stamps which can be purchased at auto shops or hardware stores
A fuse is an electrical safety device that contains a piece of metal that melts when the current flowing through it becomes too strong. This melting of the metal breaks the circuit and prevents overheating of the electrical system.
Because the 'head' of the detector is usually plastic - not metal. The detector coil inside has a relatively short range - and is 'desensitised' to any metal components in the device itself.