▁closed ▁space . ▁It ▁reg ener ates ▁air ▁inside ▁conf ined ▁space ▁by ▁liber ating ▁o xygen ▁and ▁simultaneously ▁absor bing ▁carbon ▁dio x ide . ▁It ▁can ▁be ▁used ▁in ▁civil ▁applications ▁like ▁rescue ▁work ▁in ▁mines , ▁fire / ▁to xic ▁environments , ▁to xic ▁gas / chem ical ▁plant ▁operation , ▁mount aine ering ▁exped itions , ▁complete ▁air ▁reg ener ation ▁inside ▁a ▁space craft , ▁under ▁sea ▁expl oration ▁and ▁min ing ▁etc . ▁ ▁Chem ical ▁Kit ▁for ▁D ete ction ▁of ▁Ex pl os ives ▁( CK DE ) ▁ ▁A ▁compact , ▁low - cost ▁and ▁ ▁hand y ▁ ▁explos ive ▁detection ▁k it ▁has ▁been ▁designed ▁and ▁perfect ed ▁for ▁field ▁detection ▁of ▁traces ▁of ▁explos ives . ▁The ▁k it ▁yields ▁a ▁colour ▁reaction , ▁based ▁on ▁which ▁explos ives ▁can ▁be ▁detected ▁in ▁minutes . ▁It ▁is ▁used ▁for ▁identification ▁of ▁all ▁common ▁military , ▁civil ▁and ▁home - made ▁explos ive ▁compos itions , ▁and ▁is ▁being ▁used ▁by ▁Police ▁and ▁B SF ▁for ▁the ▁detection ▁of ▁explos ives . ▁ ▁Indian ▁CL - 2 0 ▁A ▁new ▁high ▁explos ive ▁is ▁in ▁the ▁making ▁at ▁a ▁DR DO ▁lab ▁here ▁that ▁could ▁replace ▁other ▁standard ▁explos ives ▁of ▁the ▁armed ▁forces ▁such ▁as ▁R D X , ▁H M X , ▁FO X - 7 ▁and ▁Am orph ous ▁Bor on . ▁Scient ists ▁at ▁the ▁P une - based ▁High ▁Energy ▁Material s ▁Research ▁Labor atory ▁( HE