1. General fabric color of the front than the negative clear and beautiful. 2. With the appearance of the fabric and color stripe pattern fabric, the front pattern must be clear and pleasing. 3 ribs and bump fabric, the front is close and delicate, with stripes or pattern relief; and the opposite is more rough, there is a longer float line. 4. Felt Fabric: single-sided fluff fabric, plush side is positive. Two-sided fluffing fabric, then fluff neat side of the front fabric. 5. Observe the fabric edge, fabric edge clean and tidy side of the front fabric. 6. Double-layer multi-layer fabric, such as the front and back of the different density, then the general positive is willing to have a greater density or positive material is better. Leno fabric: clear lines twisted twisted prominent side of the front. 8. Towel fabric: terry density side is positive. 9. Printed fabric: Flower pattern is clear, more vivid color is positive. 10. The whole piece of fabric: In addition to export products, where the instructions (trademark) and covered with factory inspection chapter is generally the opposite. Most fabrics, the front and back there are obvious differences, but there are many fabrics are very similar to the front and back, both sides can be applied, so this type of fabric may not be forced to distinguish between the positive and negative. (A02)