1. Cross-cut the auxiliary keel according to the length of the required auxiliary keel.
2. Lay the auxiliary keel and use an electric drill to drill holes.
3. After the punching is completed, install an expansion screw to fix it.
4. Pitch 30CM at the next position and install expansion screws.
Precautions:
Large lamps, exhaust fans and other objects should be fixed keel alone, should not be placed directly on the aluminum buckle board, otherwise it is easy to make the aluminum buckle off, there is a certain security risk, but also affect the appearance. At the same time, it is necessary to reserve the location of Yuba, etc., and reserve checkpoints.
Ceiling lighting brand
Auto Level,Surveying Auto Level Machine,Automatic Level Machine,Automatic Level Instrument
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