What is Cementing?
1. The process of attaching the sole with a string
2. The process of attaching the sole with an adhesive coat
3. The process of attaching the sole with injection
Which are the main components of the Goodyear construction?
1. The upper, the insole, the welt, the bottom filling, the sole, lock stitch.
2. The upper, the insole, the sole, lock stitch.
3. The upper, the welt, the bottom filling.