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Use "lb" in a sentence
"Any gun producing more than about 18 ft lb is uncomfortable to shoot."
"It can vary between fresh wood which has only 2000 Btu/pound of energy and the "high heat value" of 8660 Btu/lb, which is obtained only with perfectly dry wood 0% moisture content and only in an atmosphere of pure oxygen."
"Mountain Rose Herbs has organic cocoa butter for $12/lb, which is a pretty negligible difference, but their shipping price via "UPS/Fed Ex Gound" is $8.77 for that order."