6.5.5.Bien drilling and installation methods.
Drilling and fixed cable tray mounting for areas with concrete walls:
1. Mark drill hole locations in the region need to drill.
Use a hand drill or drilling concrete to concrete drill mode. Using 8mm drill. 5cm deep drilling conducted. Note: Do not press too hard and boring drills continuously. Need rests and use momentum to protect drill drill and drill, drill continuously lam avoid overheating and worn drill faster drilling.
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