When we know the cause of the issue.There is therefore an education solution, 2 guidelines.The first guidelines. Because the chemical is expensive.We provide a price.But do not, because there is only one merchant.
Once we know the cause of the problem, so the solution is to have two first approach because the chemicals are expensive, we held an auction but do not, because there is only one ผoga trade.
When we know the cause of the problem.The study of problem solving as 2 guidelines.The first method.Because of the chemicals are expensive.We provide the contest price.But can"t due to a trade only.