The release cloth has a variety of uses. Firstly, it keeps the surface of the part from adhering to the vacuum consumables. Secondly, it keeps the surface of the part with a consistent texture, which is conducive to secondary bonding or painting. After the release, the release cloth can also be left on the part as a protective layer when the part is trimmed or assembled. It can be selectively removed during the bonding operation, but in other cases, it should be retained on the part for as long as possible