Composite material reinforcement materials. Another important factor is the gross quantity of material to be produced. Large quantities can be used to justify high capital expenditures for rapid and automated manufacturing technology. Small production quantities are accommodated with lower capital expenditures but higher labour and tooling costs at a correspondingly slower rate. Many commercially produced composites use a polymer matrix material often called a resin solution. There are many different polymers available depending upon the starting raw ingredients. There are several broad categories, each with numerous variations. The most common are known as polyester, vinyl ester, epoxy, phenolic, polyimide, polyamide, polypropylene, PEEK,
What If? (magazine) What If? (magazine) What If? Magazine (sometimes known as WI) was a Canadian magazine, that covered music, art, literature, film, writing and popular culture. Unlike celebrity-focused publications, "WI"'s primary concentration was on Canadian up-and-coming artists with a heavy focus on youth (teen and tween) and young adult audiences. The publication was notable for their heavy encouragement and publishing of reader-created material. The magazine features reader-made artwork on the cover, from paintings to drawings to photography. It published 4 issues each year (usually in March, June, September, and December) that are available on newsstands for approximately two months. The article that