Oxygen
To carry out specific reactions as in a chemistry lab. But these are also used in collecting blood samples for more research regarding the same.
blood gas analysis
The purpose of a cross over tubes on a gas burner is so that the fire ignited from the main burner can make contact with the gas coming from the other burners.
What would you do if you spilled very hot water or acid on your toes.
How to Establish a Multi Purpose Science Lab
Frontier Guard - 2010 Lab Rat 1-8 was released on: USA: 2010
The purpose of the slinky lab is to see how waves reflect, refract, and lose and gain energy.
The purpose of lab safety is to keep you safe because some experiments(labs) have dangerous chemicals that could harm you.
Eye Protection
It is pretty much the same thing as purpose of the lab.
the gas is CO2
a gas terminal is one which is built for the sole purpose of importing or exporting the natural gas. the gas is liquefied for that purpose
The purpose of the sky lab was so that scientists and astronauts could study different aspects of being in space. They could also find out how plants acted in space.
because the gas can get you sick
Oxygen
for exchange of gases