... with opening of plastic canisters
 |
|
| turn off the cap closing, done best with a ring wrench ------->> |
 |
 |
turn cap till guarantee ring breaks away <<-------- |
| remove guarantee ring and cap closing -------->> |
 |
 |
if available screw lever tap on the opening <<-------- |
|
open or close the canister with |
 |
 |
upend the canister so the lever tap is situated on the bottom, then turn the discharge port to retain liquid. <<-------- |
| after retaining the liquid lock the canister and store it upright -------->> |
 |
