The ratio of concrete 1: 2:4 by volume of cement used to belong to the trading company building materials, sand, sand is clean without shell, tragos animals, soil, or anything else. Which will endanger the weight of concrete, water must be clean water without acid.Which can drink eat rocks must be from the mill, which use the number 2 stone which must be sharp. Can make concrete Island anchored well before pouring concrete every time. Shall notify the engineers the job know in advance all the time.Until is completed. Therefore to the concrete. The work must be ram. To make concrete together well. After the what if there's a hole in the body concrete. The engineers determined the risk weight.And pour the new part, according to the instructions of the engineer construction. Without any conflict
.
.
การแปล กรุณารอสักครู่..