Decay-control Operator
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Tends machine that pumps gas to retard decay of fresh fruits
and vegetables during storage and shipment: Loads machine with
chlroine and salt. Strats machine that pumps gas into storage
space or freight car. Periodically tests concentration of gas,
using comparometer, and adjusts flow acocrdingly. Stops machine
when specified time has elapsed and blows gas from storage area
or freight car.
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Decay-Control Operator
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