Manually processing x-ray film... Dark Room.  

Good information 👍🏻😊

Osm...mam

Osm mam

Madam गज़ब पढ़ाती हैं आप मरते दम तक नहीं भूलूंगा.... 😍

❤❤😊😊

Thanks mam 👍

It's a basic knowledge abt dark room 👍🏼. If u want this in broad plz drop your cmnt in cmnt box🙏🏼

Thank you ma'am

Thanks mem

Thank you mam

Finally our doubt has been cleared

Thanks mam 🙏