Collect the relevant information, which consists of a period of operation, the time came to the factory, which has been loaded, loading time, To find out the wait time that happens.
Collecting relevant data which includes timing operation, the time at the factory, the goods have been loaded, loading time, to find the time waiting to happen.
Collect related information, which consists of a period of operation, the time in the factory, when be loaded goods, loading. Time, to the waiting time occurred.