Table 3.

Average triangular fuzzy numbers range of 7°.

Linguistic variable	Fuzzy equivalent
Very low (VL)	(0,0,1)
Low (L)	(0,1,3)
Low to moderate (LM)	(1,3,5)
Moderate (M)	(3,5,7)
Almost high (AH)	(5,7,9)
High (H)	(7,9,10)
Very High (VH)	(9,10,10)