Reasons for inconsistencies in oil level lines in edible oil bottles

There are three reasons for the inconsistency in the filling of oil level lines in edible oil bottles:
1 There is a difference in the volume of edible oil bottles: PET edible oil bottles, for example, will have a smaller volume under certain temperature conditions. Therefore, the volume of edible oil bottles produced first differs from the volume of edible oil bottles produced later;
2 Oil temperature: Temperature has a great influence on the volume of oil. This is because the density of the oil changes significantly with temperature. Generally, the higher the temperature, the smaller the density of the oil, and the corresponding volume will be larger, and vice versa. Therefore, the oil produced in winter must be different from the summer production of oil.
3 Filling accuracy: Due to continuous production, the oil in different edible oil bottles is filled by different filling heads. Different filling heads have different filling accuracy.

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