Ice skaters in safety gear

1200 × 1024

Mannequins on a high beam

1920 × 1200

Mannequins on a high beam

1600 × 1000

Large mining truck at construction site

2000 × 1329

Worker with excavator at quarry

3888 × 2592

Workers painting construction equipment

2048 × 2048

Debris at a disaster site

2440 × 1780

miner in a coal mine

1400 × 1104

Workers in a tunnel excavation

1920 × 1278

Two workers with a large bulldozer

3888 × 2592

Construction workers in tunnel

1920 × 1278

Tunnel construction in progress

1920 × 1200

Tunnel construction site

1500 × 1500

Giant mining excavator on road

800 × 600

Workers observing ship salvage

1600 × 1064

giant mining truck with worker

1600 × 1200

Oil rig workers on platform

7360 × 4912

Woman in safety gear with tool

853 × 1280

Workers on a bridge construction site

3855 × 2547

Crash test dummies on a beam

1920 × 1080