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Simply install a support leg in the recessed position of the rack.
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Reinforcement of wooden racks or replacement of digital amplifiers.
But I installed the projector on the roof, what is the cable connecting the projector to the amplifier! (AUX?Or HDMI? ) >>>More
There is little difference between solid wood A and A grade, and they are solid wood products with a good rating system.
E0 is more environmentally friendly. E1 grade means that the formaldehyde content is less than or equal to, in line with European environmental protection standards, and E0 grade means that the formaldehyde content is less than or equal to, which belongs to a better environmental protection standard, so E0 grade is better than E1 grade, but the price is also more expensive. >>>More
Wood is not the same.
Basically, I have no such situation in my family's Quanxin Wooden Door Factory, but the key is to see whether the wood of the crane is soft, and if the wood is soft, there will be this problem. Like the Quanxin Wooden Door Factory, they will not have this kind of problem when they make wooden materials for wooden doors, you can go to learn more about it.