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how to develop dry chemical powder to extinguish D class fire?

2006-06-23 21:42:05 · 1 answers · asked by Vipul 1 in Science & Mathematics ➔ Chemistry

1 answers

Last I checked, they were already developed...

2006-06-25 07:14:56 · answer #1 · answered by todvango 6 · 2⤊ 0⤋

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