surface crack
131Reinforced concrete — is concrete in which reinforcement bars ( rebars ), reinforcement grids, plates or fibers have been incorporated to strengthen the concrete in tension. It was invented by French gardener Joseph Monier in 1849 and patented in 1867.[1] The term… …
132China Airlines Flight 611 — CG rendering of B 18255. Accident summary Date 25 May 2002 …
