Make sure the lid is closed before turning on the large machine.
Small Machine On/Off Switches are pictured below.
#1 is on the wall near the door.
#2 is the power strip located behind the computer on the table to the right of the laser cutter. It turns on the compressor (hidden on the shelf below) and the laser cutter.
#3 is on the right side of the laser cutter, behind the computer