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A 175mm hole is opened in the aluminum ceiling, and you can buy an electric drill with an opener to punch the hole directly.
Tools: Multi-function pistol impact drill, hammer, screwdriver, scissors, vise, material: expansion screw, self-tapping screw, tie rod screw, keel, ceiling.
The kitchen ceiling of the kitchen bathroom is possible.
to disassemble. As long as you find a small tool, screwdriver or iron sheet, and slowly pry it from the gap, you can pry it up, and then you can disassemble it, but the ones on the side cannot be disassembled, because the glass glue is fixed during installation, and it is okay to force it to be disassembled, but it is easy to cause deformation. >>>More
For engineering use, it should be Class A fireproof.
Explain what a "round cake" is?!
The first floor is right, this is not difficult, the integration of the ceiling is simpler, strictly speaking, it is also considered carpentry work, but everyone will, so it is not so fine.