valve that lowers gas pressure
________ dioxide, used to treate hiccups
a device that controls both pressure and flow
chemical named for this light gas
this meter controls the volume of gas per unit of volume
type of "distillations" that produces oxygen
gas used in treatment of severe asthma
low pressure safety system
pipe with many connections used to link gas sylinders together
gas delivered in a yellow cylinder
_______ valves shut off the gas in case of a fire
gas delivered in a blue cylinder
gas that makes up 20.95% of air
agency that classifies cylinders
adjust the flow in a Thorpe tube
fixed orifice, variable pressure measuring or metering device
variable orifice, constant pressure flow metering device
agency that sets standards for gass purity
gas with only one oxygen molecule
second half of gas made by heating limestone in contact with water
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