Sluice gates Tenders , Electric motors, generators and transformers Tenders , Generators Tenders , Generating sets with compression-ignition engines Tenders , Generating sets with spark-ignition engines Tenders , Fuel cells Tenders , Works for complete or part construction and civil engineering work Tenders , Flatwork for zoo Tenders , Construction work for dams, canals, irrigation channels and aqueducts Tenders , Construction work for waterways Tenders , Canal construction Tenders , construction work for dam wall Tenders , Dam-reinforcement works Tenders , Installation services of electric motors, generators and transformers Tenders , Installation services of generators Tenders