NCERT Diagrams in multiple steps : Class 10

Copper Charge 1000 Water Bottle, 930 ml, 1 Piece, Copper , Leak Proof , Office Bottle , Gym Bottle , Yoga Bottle , Home , Kitchen , Hiking , Treking Bottle , Travel Bottle

Plain Lid 1000 Thermosteel Vacuum Insulated Flask with Jacket 1000 ml, 24 Hours Hot and Cold Water Bottle with Plain lid , Double Walled Silver Bottle for Home, Office, Travel , 1 Litre