One man is handing out bricks as another one applies mortar and lays the brick to build a house
Two men are outside and they are putting cement blocks on a building with cement.
A man is demonstrating how to lay courses of cinder block to construct a wall while talking to another man about it.
Two men are laying bricks and giving instructions on how to.
Two men show how to use mortar and cinder blocks to build a house.
Two men are building up a cinderblock wall.
A man is talking and another man hands him a concrete block, he uses a trowel to spread mortar on it.
A man is showing another man how to build a wall using cement blocks and mortar.
Two men are laying concrete blocks and one man spreads mortar.
A man is teaching another man how to cement cinder blocks to build a wall.