His foreman had just reported that there was not enough material to last the concrete-mixers two hours. [Please select]
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] Automatic measuring devices are most used in connection with continuous mixers, but they may be easily adapted to batch mixers if desired. [Please select]
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The next mixers kept turning the material along and another waterman assisted in wetting it further down the board. [Please select]
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The mixing was done in two Smith mixers, which turned out 70 cu. [Please select]
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~--Chuting the sand and stone from overhead bins to the charging hopper is a simple, rapid and economical method of charging mixers. [Please select]
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5 mixers, one under each measuring hopper, and these mixers discharged by chutes into buckets on flat cars. [Please select]
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