A chop is a form of fiberglass consisting of short 6-8 inch lengths of glass that is shot out of a pneumatic gun with resin in to a mold. This method is used often when one side of the finished product is not seen, or when large quantities of a product must be made cheaply and quickly without regards to strength. Corvette fenders and boat dinghies are commonly manufactured this way. Bundle of fiberglass Fiberglass or glassfibre is material made from extremely fine fibers of glass. ... Glass can be made transparent and flat, or into other shapes and colors as shown in this sphere from the Verrerie of Brehat in Brittany. ... Pneumatics, from the Greek πνευματικός (pneumatikos, coming from the wind) is the use of pressurized air in science and technology. ... Insect trapped in resin. ... French steam corvette Dupleix (1856-1887) Canadian corvettes on antisubmarine convoy escort duty during World War II. A corvette is a small, maneuverable, lightly armed warship, smaller than a frigate but larger than a coastal patrol craft. ... Dinghy of the schooner Adventuress A dinghy is a small utility boat attached to a larger boat. ...