It's not just the 'gas', it's containerizing it inside some kind of weapon and storing them for use later.
I could make chlorine gas in an empty soda bottle.
If I blew up hour house, with you in it, how many soda bottles of chlorine could you make ?
If I blew up hour house, with you in it, how many soda bottles of chlorine could you make ?
If “I” were the Syrian government, one chlorine-gas-making peon would be down. A few thousand would still be at it, and they’d hire more tomorrow.