
ಗಾಳಿಯಿಲ್ಲದ ಬಾಟಲಿಯ ಕೆಲಸದ ತತ್ವವೇನು??
Airless bottles often have a pump or a push-button mechanism at the top. When the user presses the pump or button, it releases the vacuum seal, allowing the product to be dispensed. As the vacuum is released, the piston or diaphragm moves up, pushing the product out of the bottle.