Typically, when you have a product that has a hard drive in it, you run it for about 30 minutes in the factory to make sure that hard drive's going to be working years later for the customer after they pull it out of the box.
典型的なハードディスク内蔵型の 製品ならば 工場で 30分程動かして 顧客が購入してから何年か経っても 動作するよう確かめるのです