Building construction

Claim 1

A CONCRETE BLOCK BUILDING INCLUDING FOOTER BLOCKS AND WALL BLOCKS, ALL BLOCKS HAVING A LENGTH, WIDTH AND HEIGHT, EQUAL TO A MULITPLE OF A MODULE UNIT EACH BLOCK HAVING A VERTICAL BORE CENTRALLY POSITIONED IN EACH MODULE LENGTH AND WIDTH, MEANS AT ONE END OF EACH BORE ADAPTED TO RECEIVE A NUT, MEANS AT THE OTHER END OF EACH BORE ADAPTED TO RECEIVE A KEY, ALTERNATIVE BORES BEING INVERTED SO THAT ONE BORE HAS ITS KEY RECEIVING MEANS UPWARDLY AND THE NEXT HAS ITS KEY RECEIVING MEANS DOWNWARDLY, RE MOVABLE CONCRETE KEYS IN AT LEAST CERTAIN OF THE BORES OF THE FOOTER BLOCKS RECEIVED IN THE BORES OF THE LOWER COURSE OF WALL BLOCKS, REMOVABLE CONCRETE KEYS POSITIONED IN THE BORES BETWEEN ADJACENT COURSES OF THE WALL BLOCKS, NUTS CARRIED IN THE BORES OF AT LEAST CERTAIN OF THE FOOTER BLOCKS, NUTS CARRIED IN THE OPPOSED BORES OF THE LOWER COURSE OF WALL BLOCKS, RELATIVELY SHORT BOLTS JOINING THE NUTS OF THE FOOTER BLOCKS AND WALL BLOCKS, NUTS IN OPPOSED BORES OF WALL BLOCKS FORMING ADJACENT WALL COURSES, AND RELATIVELY SHORT BOLTS JOINING THE NUTS OF THE WALL BLOCKS FORMING ADJACENT COURSES.