Explanatory notes
… cross-sectional dimension of 3 mm or more and having a mesh size of 100 cm 2 or more - Other grill, … broadly resemble those used in the textile industry (for simple warp and weft fabrics, knitted or crocheted fabrics, … conveyor belting, shelving, mattresses, upholstery, sieves and riddles, etc.; and for reinforcing concrete, etc. …