TM 11-6660-218-12
WARNING
the same temperature as the air in which
the sounding balloon is weighed off. Keep
If gas does not flow when the
the gas cylinder out of the sun at all
cylinder valve is opened, IM-
times. Safety procedures for handling
MEDIATELY close the cylin-
commercial gas cylinders are listed in
der valve and replace the valve
AR 700-8120-1.
protection cap. Apply a red tag
(2) Remove the valve protection cap from the
to the valve protec-
gas cylinder.
3-6 Change 8
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