A particle that is a by-product of radioactive decay. It has a positive electrical charge that is twice the negative charge of an electron. An abbreviation for alternator. Also, may be used as an abbreviation for alternate or altitude. An electricity-generating device that converts mechanical energy to electrical energy in the form of alternating current.
Diodes rectify the alternating current into direct current.
The distance of a point above sea level. A valve with a thin layer of aluminum sprayed on the valve face and, sometimes, on the top of the valve head to provide a thin, hard, corrosion-resistant coating. It has high resistance to corrosion and is an excellent conductor of heat and electricity. A process of stopping molten steel from bubbling and combining with oxygen after being poured into ingots. Also see silicone-killed steel.