Definition of bottle caps

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 the mineral water bottle cap is round with a screw, the canned bottle cap is ring-shaped with a pull, the meat canned bottle cap has no fixed shape, tear into what is what it is, the cap of the injection bottle is glass integrated, to use a grinding wheel around the grinding wheel to polish it and then use a pop open; Men's favorite beer bottles have caps that are made with prie. The design of the cap is so strange that the designers have racked their brains to make it more innovative and appealing.