Right now, the customer has made a request and internal documents to propose using Slideway oil. Coolant must wait for Yushiro to finish testing before submitting a request for testing.
Now, the customer has created an internal document recommending the use of slide oil. The coolant must wait for Yushiro to complete the test before applying for testing.
Now the customer has made a story and an internal document to propose the use of slideway oil. The Coolant part must wait until Yushiro finishes the test before doing this story to ask for the test.