Table 3 Average repetitiveness of different kinds of activities in brick manufacturing units
From: An evaluation of low back pain among female brick field workers of West Bengal, India
Activities | Time taken (s) | Total time taken in 1 work cycle (s) | Repetitive/non repetitive | ||
|---|---|---|---|---|---|
Mean | SD | Mean | SD | ||
Carrying mud | 142.5 | ±30.2 | 231.9 | ±37.8 | 61.44 % Repetitive |
Moulding | 137.3 | ±33.6 | 210.7 | ±38.1 | 65.16 % Repetitive |
Loading raw bricks | 52.3 | ±15.2 | 76.9 | ±16.7 | 68.01 % Repetitive |
Carrying raw bricks to kiln | 132.6 | ±26.3 | 226.1 | ±29.5 | 58.64 % Repetitive |
Unloading raw bricks to kiln | 58.9 | ±17.3 | 75.3 | ±18.5 | 78.22 % Repetitive |
Picking burn bricks from kiln | 10.2 | ±12.3 | 15.4 | ±14.3 | 66.23 % Repetitive |
Carrying burn bricks from kiln to storage | 138.4 | ±35.7 | 192.5 | ±33.2 | 71.89 % Repetitive |