Handmade bottle caps for second grade.

The secondary bottle cap is made by hand as follows:

1. Preparation materials: plastic bottle caps and wooden clips. Hemp rope, eye patch.

2. Stick stickers, eyes and hemp rope on the wooden clip to make the five senses of the mouse.

3. Use two small bottle caps as big ears of mice, and stick them on the left and right sides of the clip.

Bottle caps are used to seal bottles. According to different functions, there are bottle caps with different shapes and different operation methods. For example, the bottle cap of mineral water is round and twisted, the bottle cap of cans is pulled into a circle, and the bottle cap of canned meat has no fixed shape, so it looks like it is torn. The bottle cap of the injection bottle is made of glass, so it should be polished around with a grinding wheel and then bounced off.

The lid of a man's favorite beer bottle was pried open. The design of bottle caps is varied, and designers have racked their brains to make it more innovative and attractive. Bottle cap is an important part of food and beverage packaging, and it is also the place where consumers first come into contact with products.

Bottle caps are widely used in bottled products because of their functions of keeping the contents airtight, anti-theft and safety. Therefore, bottle cap is the upstream industry of food, beverage, wine, chemical industry and medicine industry, and it is the key product of bottle container packaging.

At the initial stage of bottle cap development, cork was used as raw material, and products such as aluminum long neck aluminum cap, aluminum carbonate cap, hot filling aluminum cap, injection aluminum cap, medicine cap, open ring cap, safety claw cap and plastic bottle cap were continuously developed.