RABBET BRICK WITH REVOLUTIONARY PUNCTURES

it was developed by MAN Machines and it is revolutionary because it is incased in “L”, in “T” and in “+”, according the examples.
Its 4 punctures present great advantage: the walls can be made wider and more resistant than solid bricks by the punctures can be done the locking of the walls filling them with iron and thin concrete, throught the punctures the electric wiring and the hydraulical plumbing are passed out.
<<2. INITIAL AND GENERAL EXPLANATIONS