Precision and accuracy are completely different concepts. Let's explore what they really mean, and how to tell the difference. 1  Resolution is the fineness to which an instrument can be read.  Precision is the fineness to which an instrument can be read repeatably and reliably.
1980s & 90s-High Performance Plastics. 1980 - First production of linear low density polyethylene. 1980 - First Blue HDPE pressure pipes for potable water introduced into UK. 1982 - First artificial heart made mainly of polyurethane, introduced implanted in a human.
Garbage bags were first used and test in the commercial market, rather than home use-the first bag sold was to Winnipeg general hospital. Union Carbide Company in Lindsay, Who employed Hansen, bought the invention from Wasylyk and Hansen.arbage bags were first used and test in the commercial market, rather than home use-the first bag sold was to Winnipeg general hospital. Union Carbide Company in Lindsay, Who employed Hansen, bought the invention from Wasylyk and Hansen.