Table 6: Exposure to heat stress based on DI index criteria among study groups.

Criteria	Level	Total, n(%)	Cutting	Melting	Production	Lathing	Power and Scales
22 – 24	Mild	-	-	-	-	-	-
24 – 28	Moderate	39(43.3)	14(35.9)	-	4(10.26)	11(28.2)	10(25.64)
>28	Severe	51(56.7)	3(5.88)	24(47.06)	23(45.1)	1(1.96)	-