Johns Hopkins Newsletter12d
An insurmountable concrete wall
I have a wall inside of me that I think is made of concrete. It has taken me 17 years to recognize it, 18 to acknowledge it, ...
onmanorama5d
Building a house: Here is the real cement-sand ratio that baffles many
Meanwhile, the cement-to-sand ratio recommended for mortar mix on external walls is 1:4. The ratio of the same advised for ...