The lamp could be hooked onto the front of a miner's cap or hung on a wooden roof support while he was working.
The club had been built piecemeal with inadequate roof support, no common ceiling space, and highly flammable components.
Jessie relaxed against a roof support of theramada without worrying over the two riders.
Cribbing is also used in sub-surface mining as a roof support.
Each director had to solve the problem of an immovable roof support in the middle of the stage.
A true hardtop sedan design also has no center or "B" pillar for roof support behind the front doors).
The mobile roof supports are similar to a large dining-room table, but with hydraulic jacks for legs.
If it was actually made of stone, how could a flat roof support itself?
But this was a state project: When a roof support buckled, the whole frame tumbled to the 50-yard line.
If the dam and pool are large enough the combined weight can strain roof supports.
