| 1 | Plenty of green space becomes "the stony forest"; | |
| 2 | Concrete fragments were scattered around the edge of the two floor openings, which would pose tripping hazard to the workers. | |
| 3 | Floor-to-floor height refers to the height between the top surface of the structural slab of a floor and the top surface of the structural slab of its immediate upper floor. | |
| 4 | On a building construction site, batches of concrete bricks were to be transported by a tower crane from the open ground to the topmost floor of a building. | |
| 5 | Each batch of the bricks to be transported had been piled up into four stacks and placed on a pallet. One single plastic strap was used to tie a stack to the pallet. |
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