wD(1) Sale by specifications Some induces such as chemical composition the goods sufficiently Describing quality b ality of contents, length, sizes, etc can reflect the g specification is simple as well as accurate. Thats why it is most widely used e.g. Printed Shirting Jumping Fish Yarn counts 30x36 No of threads/inch 72X69 Width(inch) 35/36(1) Sale by specifications  Some induces such as chemical composition, contents, length, sizes, etc. can reflect the quality of the goods sufficiently. Describing quality by specification is simple as well as accurate. That’s why it is most widely used.  e.g. Printed Shirting “Jumping Fish” Yarn counts 30x36 No. of threads/inch 72X69 Width (inch) 35/36