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Observed variations of speed (km/hour) in two seasons while walking with or without a load of bricks
| Summer (WBGTout: 26.9–30.7°C) | Winter (WBGTout: 26.9–30.7°C) | |||
|---|---|---|---|---|
| Groups | With load | Without load | With load | Without load |
| Brick carriers (n=22) | 2.0±0.21 | 3.8±0.15 | 3.3±0.1 | 4.8±0.3 |
| Brick molders (n=18) | 2.9±0.1 | 4.1±0.7 | 3.8±0.07 | 5.4±0.13 |
