Liquid Flat Plate Collector (हिन्दी)

[@pranitkakade7678]

Thanks sir 😊

[@vijaymaghade_Official.]

Nice explain 😊

[@learnandteach16]

Thanks u

[@akshaychavan3122]

Tq sir, it's help full.... 😊😊

[@learnandteach16]

Ok ji

[@Morshed57]

Thanks

[@amanrajput574]

What is the concentration ratio of Liquid flat plate collector