1. Turn the machine "1. Electric shock 2. Fire and explosion caused by a short circuit and leakage "1. Maintenance check periodically 2. Conduct the operation "1. The heat led to burns the skin, hands touching the position of the heat leads to injury2. chemical effects to the respiratory system "," 1. Be careful when manipulating, wearing protective gloves2. Mask charcoal " 3. Finish the job. " Burns2. Short circuit fire when no shutdown "" 1. Close the cover securely when pausing operation2. Turn off the machine when not in use "
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