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.
The dome shaped lunch box showed up around the same time, echoing the early designs of the worker's lunch pail. In the 1960s, the vinyl lunch box was introduced. It was made of plastic, heat-sealed over cardboard. These pink boxes were targeted toward girls.