However, despite their common material, many of the works here have nothing to say to each other.
Other less common materials are also in use or under investigation.
FR-4 is by far the most common material used today.
"My first reaction was, what could be so scientific in such a common material as ice?"
This mechanism is very general, because almost all common materials are made of "small things" held together.
In the West, the most common materials for the equipment have been wood and metal.
Wood has been the most common material used to make windows over the past 200 years.
The process took a long time to complete, but was cheap and used common materials.
The most common materials, of course, are sugar and chocolate.
Wood in its natural oil finish is the most common material used.