Use hot water to scald the bottle cap. Because can bottle caps are generally made of iron, they will expand when heated.
Is it difficult to open the can lid? Find the “little mechanism” on the can lid and open it easily and effortlessly!
Even the strength of the bridge cannot be reduced indefinitely. Our common plastic bottle caps are called “plastic anti-theft bottle caps” in the national standard.
I checked the actual test data of the bottle cap opening torque in my hands over the years, and it is indeed constantly decreasing.
According to calculations, it takes about 2-6N.m to manually unscrew the cap of a beverage bottle.
Generally, the caps of beer bottles and other bottles are metal caps, and their edges will have wavy “teeth”.
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