What's the meaning of the laying of brick and concrete structures with concealed pipes?
The wires are laid in bricks or concrete. If it is concrete, it is buried before pouring and tamping; the brick will be buried after the masonry is finished, and then the slot will be repaired.
Line pipe laying:The wires are laid in bricks or concrete. There are two ways:Insert the wire tube and the bottom box before pouring;After the end of the masonry, slotted into the wire pipe and the bottom box, and then fill the groove.