Table 2

Physical load factors for different body regions by department and the classification of exposure

		Upper limb			Neck and shoulder				Low back			All
		High repetition >2 h	Forceful exertion >2 h		Frequent wrist bending	Classification of exposure (high/low)			Neck forward flexed >1 h	Hands above shoulders >1 h	Static posture >2 h	Classification of exposure (high/low)	Multiple lifting	Trunk forward flexed >1 h	Vechile transportation >2 h	Classification of exposure (high/low)	Classification of exposure (total) (high/low)
Mechanisation	+	−	+	H	+	−	+	H		+	+	−	H	H
Element construction	+	+	−	H	+	−	+	H		+	+	−	H	H
Furniture assembly	+	+	+	H	+	+	+	H		+	+	−	H	H
Furniture fixing	+	+	+	H	+	+	+	H		+	+	−	H	H
Final assembly	−	+	−	L	−	−	−	L		−	−	−	L	L
Final inspection	−	−	−	L	−	−	−	L		−	−	−	L	L
Transportation	−	−	−	L	−	−	+	L		−	−	−	L	L

+=Load factor present; −=load factor not present; H=high work load; L=low work load.