Since the picture is too far away and blurry, you’ll have to take my word for it that these are the steps for using this Downtown Line fire extinguisher:
- [pull out the pin, presumably]
- AIM AT BASE OF FIRE
- SQUEEZE LEVEL TO DISCHARGE
- RELEASE LEVEL TO STOP
(I’m pretty sure they meant “lever”.)
Hang on, I’ve got a slightly better photo:
Here’s the extinguisher in my lift lobby (which says “lever”):
