Limestone Calcined Clay Cement
Limestone Calcined Clay Cement ( LC3 ) is a low-carbon cement developed by the École Polytechnique Fédérale de Lausanne ( EPFL ) , Indian Institute of Technology ( IIT ) Delhi , IIT-Bombay , Technology and Action for Rural Development ( TARA ) , IIT-Madras , and the Central University of Las Villas ( Cuba ) . 
<triplet> Limestone Calcined Clay Cement <subj> cement <obj> instance of <subj> École Polytechnique Fédérale de Lausanne <obj> developer <subj> Indian Institute of Technology (IIT) Delhi <obj> developer <subj> IIT-Madras <obj> developer