The bottle cap is used to seal the bottle, according to different functions, there are different shapes, different operation methods of the bottle cap, such as mineral water bottle cap is round with screwing, can bottle cap is ring-shaped with pull, meat can bottle cap does not have a fixed shape, tear into what is what it is, the cap of the injection bottle is glass integrated, to use a grinding wheel to polish around the perimeter and then use to bounce open; The caps of men's favorite beer bottles are pried. The design of the bottle cap is so bizarre that the designers racked their brains to make it more innovative and attractive.
