Establishments, such as hosiery and knitting mills, primarily engaged in producing hosiery, outerwear, underwear, nightwear, other knitted apparel; and knitted fabrics and laces from natural and synthetic fibres. Included are the bleaching, dyeing and finishing of knitted products. The manufacture of knitted apparel from purchased knitted fabrics is classified in group 3220 (Manufacture of wearing apparel, except footwear).