Aluminium Powder is used in the production of many types of explosives and fireworks. It is also employed in the manufacturing of certain types of electronics. Powdered aluminium is included in many paints and sealants. Certain products design to carry electrical current, such as solar cells are often made using aluminium powder. Rocket Fuel is often made with aluminium and many solid rocket fuels are based on chemical reactions involving this metal. Aluminium is also used as a deoxidizer in stainless steel production and welding electrodes.