List of timber framing tools. Illustration of carpentry (charpente) in the French EncyclopÃ©die showing hewing, mortising, pit sawing on trestles. Tools include dividers, axes, chisel and mallet, beam cart, pit saw, trestles, and bisaigue . The men talking may be holding a story pole and rule (or walking cane). Shear legs are hoisting a timber. Below, the sticks on the log are winding sticks used to align the ends of a timber.
The problem of plastics. 1  Plastic is a polymeric materialâthat is, a material whose molecules are very large, often resembling long chains made up of a seemingly endless series of interconnected links.
Plexiglas is an all-acrylic material, meaning that it is composed entirely of highly durable building blocks called monomers. While this is a clear sheet of the acrylic plastic, most acrylics are blended with other materials to create other easily recognized products such as paint, adhesive or caulk.