as that of uppers.aprons are used to support the material which is being drafted and ultimately to reduce the variation in the material i.e. material will be uneven.when a drafting force is applied, there is a chance of variation. so to reduce this variation, aprons are provided.in the main drafting...
remember me sign in recover your password. a password will be e-mailed to you. contact us converter/calculator companies events products machinery jobs rss contributors q & a textile school - a knowledge-base repository of textile articles fiber manmade fiber natural fiber yarn ring-spinning open-end...