Concrete construction, masonry used sea elephant met or equivalent. In the case of urgent work to crack the speed, use the cement seal Erawan, or equivalent. Do not use cleaners, concrete's curing accelerators by counsel. Concrete mixture ratio using ratio 1: 2: 1 ratio of concrete using coarse 4: 3: 5 by volume of. Cement: sand: stone
การแปล กรุณารอสักครู่..