We have the expenses incurred to adapt a new set of pipe system and receive permission from bosses at that time it due to the expense of updating the main exhaust system after the machine to install the new address
We are costs incurred in adapting new piping systems. And have been authorized by superiors at that time. , it stems from the cost of improving the exhaust system. following machines installed at new address.
We therefore cost occurring in the pipe system adapted new set And allowed by the supervisor at the moment it is caused by the cost of the system improvement
after the main exhaust pipe machinery to install the new address