Research distills conclusions out of the wastage of data it leaves in its wake.
Attempts at large projects have more often than not resulted in a huge wastage of resources.
Another aspect which needs to be tightened is wastage in developed countries.
There appears to be less wastage retooling for new hardware.
It decreased wastage from expiration and facilitated resource sharing among blood banks.
British Dictionary definitions for wastage
anything lost by wear or waste
the process of wasting
reduction in size of a workforce by retirement, voluntary resignation, etc (esp in the phrase natural wastage)
Waste and wastage are to some extent interchangeable, but many people think that wastage should not be used to refer to loss resulting from human carelessness, inefficiency, etc: a waste (not a wastage) of time/money/effort etc