Is it better to use an aluminum bracket or a wooden stand?
Construction of the amount of consumption in the fixed amount of corrosion, insulation, insulation works that chapter has polystyrene plastic plate insulation layer, the amount of the child. Labor costs, material costs, management fees, profits are the elements of the composition of the unit price, the formula: Σ labor costs + Σ material costs + Σ mechanical fees + management fees + profits workers (in addition to risk and other content considerations); Labor costs = fixed consumption × labor unit price, material costs = material quota consumption × material price
Scaffolding demolition and step and so on, I do not know how you take, I give you a calculation tool bar
