true or false

1- Processing beyond the standards required by the designer is not considered to be waste.

2- Profitability is increased by only Waste reduction.

3- Waiting of semi-finished products needed to be processed in production line just before bottle-neck operation, can be eliminated by speeding the successive operation to highest production rate and other machines

4- In food industry, the waste in inventory cost is associated by unused spaces in storage houses, electricity, and other causes.

5- Finding a lever for change in establishing lean methodology is achieved by starting with an operation that acts ordinarily and then move to other operations in the plant.

6- Determining personal time, and fatigue recovery time for the worker is vital for improving working environment.