Can for food such as fruit, vegetable, jam or meat and fish products, is stand in closed condition under low pressure, and has container of glass and screw cap
摘要
<p>The can is stand in closed condition under low pressure, and has a container of glass and a screw cap (1). The screw cap has a circular cover surface and a cylindrically formed lateral surface of small height. The screw cap is easily opened by a hole or a gap.</p>
