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See if the temperature resistance of PA6 can meet the temperature resistance requirements of the product use position.
Is it too heavy, or is it because the house is hot, and the quality of the plate is not good.
20*20 is enough. It is better to place several base plates in the slab with additional long steel bars.
LEDs are light emitters (bulbs) and are not luminaires. What lamps can be installed 6cm from the top is to ask the question of lamps, and it has nothing to do with LEDs. The lamps have built-in, semi-built-in, and exposed. >>>More
If you don't want to knock out the re-pouring, you have to change the layout of the original room and add a wall in the middle (this wall also needs to be laid.
Interior decoration ceiling wood hanging board and main bone interval of 60 cm composite specification, this can be.