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STANDARDS 848 Designs and plans 553 Design and construction 552 Public works 546 Hospitals 538 Plastics 206 Glossary 170 more ... Transport and Road Research Laboratory 164 Testing 154 Standards 153 Roads -- 149 Concrete 136 Highway Research Board 115 Japan International Cooperation Agency 105 Water 102 Steels 93 Electrical household appliances 73 Flexible pipes 69 Pigments 67 Rubber 67 Refractories 65 Buildings 60 Electromagnetic compatibility 59 Switchgear 55 Structural timber 53 Vulcanized rubber 49 Aggregates (Building materials) -- 48 Aluminium & Alloys 46 Concretes 46 Earth-moving equipment 46 less ...