10. Computed tare is a tare previously agreed upon by the seller and the buyer.

13. The “About, Circa, and Approximate” can be used in a quantity clause.

14, The more or less clause includes two parts: the percentage and the option.

16. When trade with the agriculture products, people usually use sale by actual quality to describe its quality.

15. When describe the quality of the commodity, people usually use 3 ways: sale by sample, sale by descriptions and sale by actual quality.

18. F.A.Q refers to the average quality level of export commodity within a certain period of time. It indicates the average quality of the current crop.

20. If the commodity’s quality is stable, reputation is sound and the customers are familiar with it, the seller may sell it by brand name and trade mark.

17. Sale by Grade is usually connected with the specification of the commodity.

19. G.M.Q means the commodities are free from defects and are good enough for use or consumption.

21. The sample used to represent the quality of the commodity must be the best one so that the buyer could be satisfied with the goods.

22. The quality tolerance refers to the allowed deviation from a given standard of size, content, purity or some other measurable characteristics in the specifications of a commodity.