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2006-11-06 07:04:14 · 2 answers · asked by Perfection 4 in Science & Mathematics Engineering

2 answers

Hi. Iron, carbon, silicon, copper, oxygen (as part of silicon dioxide), hydrogen (as part of plastic).

2006-11-06 07:06:26 · answer #1 · answered by Cirric 7 · 0 0

Solenoids - switches that trigger when a specific input is received

2006-11-06 07:06:45 · answer #2 · answered by mindjob 2 · 0 0

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