II. Literature Review
This Case-Study was carried out at tire
retreading company. Here authors used main three
tools i.e. Pareto Chart, Fishbone Diagram and Matrix
Diagram.Pareto Chart is very basic tool which
identify the problems i.e. Tread Separations and Ply
separations. According to problems established
Fishbone Diagram and Matrix diagram are used to
analyze the problems. [5]