外出、睡觉或突然停电时，要及时切断电源，特别是电热器具更应倍加注意。
If going out, sleeping or a sudden blackout, pls. cut off the power in time, especially when using heating appliance.
柜内的电路中还装有气体压力调节继电器，以便在柜体漏气造成其内气压过低时及时切断电路。
An air pressure regulating relay is arranged in a circuit in the cabinet to cut the circuit in time when air leak happens in the cabinet body to make the air pressure in the cabinet too low.
实验后，及时切断电源和火源，清洗有关器皿，整理教学仪器、药品和器材，并按要求摆放整齐。
After the experiments, you need to turn off the electricity and flames, clean used instruments, reorganize chemicals and equipment on your station as requested by your teacher.
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