Pay, wage or wages, salary, stipend are terms for amounts of money or equivalent benefits, usually given at a regular rate or at regular intervals, in return for services. Pay is the general term: His pay went up every year. Wage usually designates the pay given at an hourly, daily, or weekly rate, often for manual or semiskilled work; wages usually means the cumulative amount paid at regular intervals for such work: an hourly wage; weekly wages.
Because Monel metal is known for its ability to stand up to tough corrosive elements like salt water and de-aerated hydrochloric and hydrofluoric acids, it is a popular material in chemical processing equipment and off-shore oil rigs.
Copper: the essentials. Copper appears in the periodic table at the top of Group 11 above silver and gold. Collectively these are sometimes referred to as the coinage metals, although in modern times these metals are used less frequently than in the past. Copper is one of the most important metals.Copper is reddish with a bright metallic lustre. It is malleable, ductile, and a good conductor of heat and electricity (second only to silver in electrical conductivity). Its alloys, brass and bronze, are very important.Monel and gun metals also contain copper.opper is reddish with a bright metallic lustre. It is malleable, ductile, and a good conductor of heat and electricity (second only to silver in electrical conductivity). Its alloys, brass and bronze, are very important. Monel and gun metals also contain copper.