How to check if gas is there and flowing:

1. Look at the two bubblers, they should show bubbles.
2. Look at the Flowmeter on top left, the indicator should be at 60.
3. Look at the Flowmeters for Argon(reading around 45) and Carbon Dioxide (reading around 18)

How to check if the CO2 bottle is getting empty:

Look at the meter on the cylinder, if you see the pointer has gone below **, send a mail to the PMD expert.

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