A little thing I like to call concrete.
iron
it was built with rock and brick stones
The main construction material used at Skara Brae was stone, specifically a type of sandstone found locally called flagstone. This was readily available on the island and was used to build the walls, houses, and structures at the site.
I see anything from marble to boulders being used to build a stone bench. First look around to see what type of bench you want. This will greatly impact your decision for stone type.
imprinted in stone
earth, wood, stone
glass
If you are referring to the structure type of tower, they were/are often made of stone. If you are referring to the computer tower, they are either made of a metal such as aluminium or plastic.
I need the drawing on how to build a bat rolling machine and material type
At least gall stones and kidney stones. I have given thought to arthritis and the build up of hard material around joints as perhaps being a side effect of mineral build up.
zinc(a type of metal).
logs