There are things that you can do to delay the staling process, like keeping you coffee in an airtight container (even a ziplocked bag will work), and out of direct sunlight.
不过你也可以把你的咖啡放在密闭容器里（甚至那种能封住口的保鲜袋也行），要避免阳光直射。
2
Spray gun, paper tape, putty, sewing and work clothes and other items should not be stored in the open environment, these items should be placed in the storage chamber and the airtight ventilation.