specification, quality goods:
- Humidity: not more than 14%
- Impurities: no more than 0.05%
- Particle burst: not more than 25%
- Natural Grain: at least 40%
- Particle damage: no more than 2%
- Grain chalkiness: no more than 8%
- Red Seeds: less than 4%
- premature County: no more than 1% of your work lately how
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