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Air Pollution in Delhi Background An AQI between 0-50 is considered ‘good’, 51-100 ‘satisfactory’, 101-200 ‘moderate’, 201-300 ‘poor’, 301-400 ‘very poor’ and 401-500 ‘severe’. Above 500 falls in the ‘severe-plus emergency’ category. Measures announced under GRAP- Severe+ or Emergency- (PM 2.5 over 300 µg/cubic metre or PM10 over 500 µg/cu. m. for 48+ hours): Stop entry of trucks in

Earthquake resistant buildings using Thermocol

Earthquake-resistant buildings using Thermocol Thermocol could be the material of the future for the construction of Earthquake resistant buildings, with thermal insulation and could also save the energy required to develop construction materials. Researchers at IIT Roorkee have found that thermoacol or Expanded Polystyrene (EPS) is used as a composite material in the core of reinforced concrete sandwiches, and could resist earthquake forces on up to four-storey buildings. The research