Some Elements of the Earth and their uses

in #science6 years ago

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LEAD

  • batteries, cable cover, drain pipes, paints, radiation shield

NITROGEN

  • purge for missile component, refrigerant, insulator, cryogenic surgery

PHOSPHOROUS

  • match, fireworks, pesticides, fertilizers, water softener

ARSENIC

  • hardening shots, laser materials, poisons, insecticides, doping