Normally we call our machine, concrete block, but not true. Formerly only occurred Blocks machines, today we can manufacture parts for other applications, such as stairs, walls, pavers, .....

Here's some examples:

Blocks for internal walls always covered it with a layer of cement or plaster, but with only one coat of paint give us a great finish.  U.S. Photography.

Blocks to build stairs in cities: Photographs Catalonia-Barcelona

Corner Blocks with a termination at 45 degrees: Photography England

Block face side, diamond tip. Photography Spain. 

Blocks for walls, plants for planting: Photo Algerie