Machinery for treating woven fabrics, knitted fabrics and/or non-woven fabrics and parts thereof; calenders and accessory calender rolls for compressing, smoothing, chintzing, chaising, embossing and rolling woven fabrics, knitted fabrics and/or non-woven fabrics; calenders and accessory calender rolls for embossing, compressing, smoothing, laminating and strengthening woven fabrics, knitted fabrics and/or non-woven fabrics