Different Action of Combing Machine July 13, 2018 Trishna Mondal Etu 04.49K Combing Noil consists of shorter fibers and neps. The amount of noil removed in the combing process may be varied to suit the circumstances and is usually expressed in percentage based on the original weight of laps fed into the machine. Read more Sustainable Effluent Treatment Plants (ETPs): A Key to Greener Garment Washing