Table 6. Percent breakdown of observations among different body part by thinning operation(Site 2).

	CODE	Worker 5(%)	Worker 6(%)	Worker 7(%)
Back posture	1	62.3	73.3	80.1
	2	33.2	22.2	18.7
	3	2.2	-	-
	4	2.2	4.4	1.2
Arm posture	1	82.8	77.8	86.3
	2	14.2	17.0	12.4
	3	3.0	5.2	1.2
Leg posture	1	-	-	0.8
	2	29.1	37.8	49.0
	3	-	-	-
	4	2.2	2.2	2.9
	5	44.8	42.2	27.4
	6	-	0.7	-
	7	23.9	17.0	19.9
External load	1	-	-	-
	2	100.0	100.0	100.0
	3	-	-	-