Naphthalene is a non metal. It is an organic compound commonly used in moth ball manufacture.
There are 3 units of measure for Temperature:Fahrenheit (the most commonly used unit in the US)Celsius (Commonly used in the UK)Kelvin (used in universities in physics courses)
Celsius is the temperature scale that is used in most of the world.
Copper is a red metal with the atomic number 29. Copper is a solid transition metal, one of the most used metal during the history.
The percentage of its composition of silica.
copper
aluminum
Copper is used for wiring!
mercury
The most common metal is uaually iron for gates
the first commonly metal used was wood
There are a few commonly used welding process. The top used are shielded metal and arc welding.
Gold is generally the most commonly used metal to set diamonds in.
BRONZE
The type of material which is most commonly used for catering trays is metal foil. This is particularly useful for food that will be heated. However, plastic is also commonly used.
Steel
FireFox is the most commonly used browser as of January 2011.