Give an example of an element of a product or process design that makes ieasy to do the right thing, and/or difficult or impossible to do the wrong thing, or that immediately detects when a mistake or error has occurred. (For example designing plugs of USB ports so the wire or peripheral cannot be plugged in the wrong way)

Is inspection waste from the point of view of the customer?

Is 100% inspection possible?

Are zero defects an impossible goal?