42 Evaluations, assessments and research in the fields of science and technology provided by engineers; research and development of new products for third parties, technical product studies; laboratory research; engineering design; evaluations, assessments and research in the fields of science and technology provided by engineers, research and development of new products for third parties, technical project studies, all these services relating to sustainable development and environmental remediation; development of new pollution control, water purification and waste processing processes; technical expertise and advice in the fields of waste transformation, waste recycling, waste upcycling, renewable energy production; engineering services and consultations with respect to waste transformation (recycling, analysis, upcycling); technical analysis for the implementation of site rehabilitation projects, of pollution control and waste treatment and transformation projects; advice and research with respect to environmental protection and sustainable development for companies and communities; consulting and research with respect to environmental remediation; building contracting; architecture; studies, research and advice with respect to environmentally friendly habitats