PREVIEW
... on walls and ceilings with slabs of rock wool.
When the electrical and plumbing lines, along with the insulation, were all wrapped within the framework, it was time to cover them with the skin and seal the gypsum boards.
Lin Yu'an transported stacks of heavy fire-resistant gypsum boards inside the room.
Using a T-shaped professional lifting device, he placed the gypsum board on the rack, then maneuvered the handle, allowing him to easily raise the gypsum board up to the t ...
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