-Beware of dust from drilling the cement should put cloth nose while drilling. -Be careful to use a hammer to hit the Anchor bolt. -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 the electrical cutter every time before starting the job. -Connection time should have a fire extinguisher nearby to where you work. -Connect masked while weld every time. -When cutting steel. Beware of fire flames because the fire-Saket -Wearing glasses every time you make a cut steel. Drilling or grinding -Welding tongs should be used while capturing shrimps whiskers. -Be careful with the fingers, hand drill, a drill should be held while drilling. -Be careful of sharp edges of Header should include gloves, when working.
การแปล กรุณารอสักครู่..