Educational: Jal ke Kvathanank Evam Barf ke Galnank ka Nirdharan Karna

Jal ke Kvathanank Evam Barf ke Galnank ka Nirdharan Karna
Jal ke Kvathanank evam Barf ke Galnank ka Thermometer ka upyog karke nirdharan kiya jata hai.
via YouTube https://www.youtube.com/watch?v=TsM-PVxlLkU