A\()Sale by descriptions and illustrations Some products like machinery, instruments, equipments, and transportation tools are complicated in structure. It is difficult to describe the full aspects of their quality, thus sale by descriptions and illustrations is applicable. In the contract the clause of quality contains not only the name of commodity the brand but also the instructions to illustrate the structure and functions of the product. Clauses like quality and technical data to be strictly in conformity with the description submitted by the seller"are to be stipulated(6) Sale by descriptions and illustrations  Some products like machinery, instruments, equipments,and transportation tools are complicated in structure . It is difficult to describe the full aspects of their quality, thus sale by descriptions and illustrations is applicable. In the contract, the clause of quality contains not only the name of commodity, the brand but also the instructions to illustrate the structure and functions of the product. Clauses like “quality and technical data to be strictly in conformity with the description submitted by the seller” are to be stipulated