There are several reasons that the contractor was not ready to make a concrete vibrator device, as well as the specific assignment of each person responsible for the position is not clear.
There are several reasons that a contractor is not ready to work. The equipment Concrete Vibrator As well as the assigned person responsible for each position is unclear.
There are several contractors was not ready in the work. The device shaking concrete. As well as the person in charge of each position assignment not clear