Ice and Refrigeration

Ice and Refrigeration

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One pound of ammonia is said to make twenty hand grenades, so that the importance of this substance in munition work is readily seen. It is estimated that by preventing avoidable waste in ice and refrigerating plants, approximately one- fourth of the annual purchases ... It boots little to raise large crops of food products by the use of heavy fertilizer applications unless these products can be preserved untilanbsp;...

Title:Ice and Refrigeration
Publisher: - 1918


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