1) Copper alloy 
Panchaloha (Sanskrit Devanagari: पञ्चलोह; Tamil: பஞ்சலோகம்; IAST: pañcaloha; {bo|t=ལྕགས་རིགས་སྣ་ལྔ|w=lcags rigs sna lnga}) (also called Panchaloham, Panchdhatu - literally, `five metals`) is a term for traditional five-metal alloys of sacred significance used for making Hindu temple .....