The separate webs, which make up the sheet formed on a multi-cylinder machine Each cylinder adds one web or ply, which is pressed to the other, the plies adhering firmly upon drying
To act, go, or work diligently and steadily; especially, to do something by repeated actions; to go back and forth; as, a steamer plies between certain ports
To twist together two or more single yarns to form another yarn or cord One of any number of single yarns twisted together to form a yarn
A measure of the number of individual yarns twisted together to produce the finished carpet yarn For example, a two-ply yarn means that each tuft consists of two yarns twisted together For cut-pile carpets plied yarns must be heatset to prevent untwisting under foot traffic