Look at the picture to find hidden dangers (1)

Hidden danger: the pump motor and the operating column are electrostatically grounded and connected in series.
Hidden danger: The acetylene cylinder hose is not connected to the tempering device.

(In order to facilitate communication, Xiaobian uploads 2 pictures with hidden dangers every day. The material comes from the enterprises inspected by the association. If there is any infringement, please contact Xiaobian to delete!)

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