Sand is the most abundant ingredient in the mix. The powdered cement and lime are the glue that holds the sand together and allows the mortar to bond to each brick (or concrete block, stone or other ...
You can either simply stack bricks in alternating rows by hand, or you can get serious and use mortar. Either way ... which is essentially just mud. In almost all cases, they're safe for use ...
One of the most striking interpretations of this week's Torah portion, Beshalach, comes from a Midrash describing the ...