When the timed process is completed, turn off the heat, remove the canner from heat if possible, and let the canner depressurize .
The flight engineer began to depressurize the aircraft to prevent a rapid decompression from occurring if the EDC failed during the descent.
By the time someone got to him, the man had already torn away the door's interior panelling and was about to depressurize the cabin.
He clutched the ceiling holding tightly and waited for the cabin to depressurize .
I waited for the deck to depressurize
I'll depressurize the hold and we'll guide it in manually.
At that moment, the airlock began depressurising .
After depressurizing the window's inner panes, he replaced the hose and installed a protective cover.
He depressurized the walkway, and then detached it from the transport.
If the cabin depressurises , you've got between 15 and 20 seconds before you black out and die.