Which material is in wt. 2 kg, when dry 1 kg when wet and 3 kg when burned?
or:Which material is in wt. 2 kg, when dry 1 kg when wet and 3 kg when burned?
or:Which material is in wt. 2 kg, when dry 1 kg when wet and 3 kg when burned?
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or:Which material is in wt. 2 kg, when dry 1 kg when wet and 3 kg when burned?
Tags: