ISO 10821:2005 identifies hazards and specifies safety requirements applicable to sewing machines, sewing units and sewing systems designed for professional (industrial, commercial or laboratory) use in industries including the clothing and footwear, leather goods, shirts and blousery, hosiery and knitwear, lingerie, glove, upholstery and packaging industries, and in shoe repair. The use of such machines in other industries could give rise to hazards not considered. It is not applicable to shoe bottom stitching machines, large shuttle embroidery machines in accordance with ISO 11111 or household sewing machines in accordance with IEC 60335-2-28.