Model gear case manufacture, 15/12/15 will prepare to send sample to the customer and the date 22/01/16 must complete successfully, with a sample to the customer.
Model gear case has already produced on 15/12/15 to be prepared and sent a sample to customers on 4/01/16 would have been a complete sample. Ready to produce for customers.
Model gear case manufacture. The 15 / 12 / 15 must be prepared to send sample customers and the 4 / 01 / 16 must have sample who successfully completed. Ready to run production to the customer.