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Generally, 3 spotlights are placed on each side, or 5 are placed, and the interval is generally between 90 cm and 1 meter, so it is good to put 3 on each side.
1 hour of continuous work, non-stop external machine, use, kilowatt-hour.
It mainly depends on the size of the living room, and the distance between the spotlights in the living room is generally between 90cm and 120cm
It's not the roof of the building to install a big horse, the roof of the house is 2 horses to the horse, mine is the roof, install a big Pigree air conditioner, especially hot when it takes 3 hours to open a little feeling, my room is 25 square meters, really the roof to be installed on 2 horses, 25 square living room I think 2 horses are enough.
The 25-square-meter living room is also considered a large living room, and it is appropriate to install a lamp with a diameter of 80 cm.
The average box of drywall nails on the market is about the amount of 10 pieces of gypsum board.