Cash, 40, 000 to pay for contractorsAnd still left 20, 000 .. will pay when the job completes successfully,All costs must be paid for all the 60, 000 baht.
40 000 money, pay for the contractor.And still more, 20 000 baht... Will be paid when the job is completed.All expenses to pay for all the 60 000 baht, technician