At which stage of Inspection, is the opportunity to reduce waste the maximum?

b. At the incoming material stage before the material is issues to production

>>>More convenient for checking more precisely.

c. During Work-In-Progress on the shop floor.

>>>More convenient to reduce cost also at the time of receiving materials that  facilitate immediate  returns.

b. At the incoming material stage before the material is issues to production

all -   a&b&c&D

 ........................................................

B and C is the answer as it can be considered as internal quality defect and can be much saved maximum wastage where as compared to external which is the stage where we can say it is at distributor and customer end 

which will give the quality defect cost maximum and reliability will be lost 

By checking carefully project site requirement before issued to particular production area

best to maximize elimination of waste is

B.) At the incoming material stage before the material is issues to production

planning stage of production before the materials go under each production

 During Work-In-Progress on the shopfloor

The correct answer is Option

c. During Work-In-Progress on the shopfloor

My answer is option b) ...................

Option B at the time of receiving materials and then Option C during work in progress.

if waste is detected and rectified during these2 stages, the other two wont be required.