You see the words drop forged stamped on so many tools -- it makes you wonder what the big deal is! Why do manufacturers want you to know that a tool is drop forged? If you have ever seen a blacksmith beating on a piece of red hot iron with a hammer, you have seen the simplest type of forging. Striking a piece of hot metal with a hammer is forging, and blacksmiths have been doing this for centuries.
Resin. Resin in the most specific use of the term is a hydrocarbon secretion of many plants, particularly coniferous trees. Resins are valued for their chemical properties and associated uses, such as the production of varnishes, adhesives and food glazing agents.esin (Noun). A viscous hydrocarbon secretion of many plants, particularly coniferous trees. resin (Noun). Any of various yellowish viscous liquids or soft solids of plant origin; used in lacquers, varnishes and many other applications; chemically they are mostly hydrocarbons, often polycyclic.
The first family of resin and probably the most common type of resin is polyester. This is sometimes. called an unsaturated polyester resin and is the material commonly used to bond fiberglass fabrics into hard. sheets. As such we hear it sometimes referred to as fiberglass resin.