-Be aware of the device fell from that high. -Beware of falling from a high seat belts should be used at runtime. -Check the condition of electric winches each time before starting the job. -While throwing rope, communicate, understand before work. -Check the canvas or the sling before and during use. -Wearing glasses every time you make a cut steel. Drilling or grinding -Check the condition of the electrical cutter every time before starting the job. -Watch out for rope hand injury should wear gloves while you work.
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