The panel is made of 0.90mm DKP sheet metal and is manufactured as network ground connections.
There is a 220V AC contact switch, 220V 32A main input V automatic fuse and 220V 16A V automatic fuses as many as the number of student desks on the panel.
It shows the mains input voltage on the panel.
0-280V AC digital voltmeter shows the total current drawn from the network.
There is a 0-25A digital ammeter, 3 220V protected and grounded sockets, 220V 16A main breaker gas valve with V automatic and 1 emergency stop button.
There is a light warning indicator on the top of the V vending machines that shows the energy status.
There is also a main cut-off water valve on the teacher's desk that controls the laboratory plumbing.
