Task: steam vegetables
Assumptions:
Steam vegetables in the pressure cooker.
Steps:
Wash the vegetables.
Cut the vegetables into the appropriate size.
Add the cut vegetables into the pressure cooker.
Add in some salt to taste.
Add a few tablespoons of water into the pressure cooker.
Put the pressure cooker's lid on.
Wait for two whistles to indicate it is finished cooking.
Turn off the pressure cooker after two whistles.
Allow the cooker to release the pressure.