How old is effil tower?

What is Philippines civil affairs unit? What is the difference between tensile strength and tensile modulus? What purpose concealed beam used in slab design? What is allowable structural capacity of pile in pile load test? What is the base datum level for control points in construction building? What length constitutes a short span bridge? When to use pole foundations? What do builders use to knock down buildings? If you are a geotechnical engineer in what situations would you specify shear box testing as an aid to geotechnical design? What are the cement product name? What do you call a person who carrys bricks up to a bricklayer? What is light ochre cement? What is a concrete labor? Why was Shah Jahan called the Prince of Builders? What is brick firing? What is the approved location of the construction joints in the raft foundation? What is the difference between project and non project work on the building? What is good about the three gorges dam? How do you Convert distributed load to point load? When the overall lot drainage is toward the house what can be used to direct surface water away from the foundation.?