three-dimensional (3D) – adj. having or appearing to have length, depth and height
affordable – adj. reasonably priced and able to be bought by most people
layer – n. an amount of a substance that covers a surface
concrete – n. a hard substance using in building operations
consumer – n. someone who buys or uses goods or services
construction – n. the work of building homes, offices, bridges, etc.
scratch – v. to act on something
