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.
Up until the mid 1950âs, Coca-Cola was sold in a 6.5-ounce glass contour bottle. This finally changed when Coca-Cola began producing bigger sizes in 1955 and eventually metal cans in 1960. By 1977, the company began producing its first plastic 2-liter bottles.