froth floatation meaning in Hindi

Examples

1. A change occurred in the 1920s with the introduction of the froth floatation in Lautenthal.
2. Other plastic products like polyethylene terephthalate soft drink bottles cost 76 % less to manufacture form recycled materials, and this percentage as well as the variety of plastics that can be recycled is expected to increase with new separation technologies such as froth floatation and skin flotation . [ 3, 6 ] Nonetheless, plastic degrades every time it's recycled, so some plastic will always need to come directly from fossil oils if such products are to continue to be produced.