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.
Itâs actually the other way around: plastic is a form of resin. Natural resins are thick, sticky organic liquids that are insoluble in water. The sap of pine and other coniferous trees, often called pitch, is a resin.The materials we call plastics (polystyrene, ABS, acrylics, polyethylene, etc. ) are synthetic resins in the form of long-chain polymers derived from (usually) petroleum.he sap of pine and other coniferous trees, often called pitch, is a resin. The materials we call plastics (polystyrene, ABS, acrylics, polyethylene, etc. ) are synthetic resins in the form of long-chain polymers derived from (usually) petroleum.