To support the use of the gas in the factory. The Department store, it would let users pipe gas pipe delivered gas, nitrogen, the Department store that is due to the need to take the time to order
To support the use of gas to users in the factory. Department Store would like to provide users with nitrogen gas. Gas delivery pipes empty department store. Will also need time to order.
To encourage the use of gas to the user in the factory. Department store, so let the user pipe nitrogen. Empty pipe delivery department store. Due to the need to use the order processing time