11. The same area will be cleaned again in the same manner to remove any soap film . 12. A minimal surface is essentially a soap film . 13. He studied soap films intensively, formulating Plateau's laws which describe the structures formed by films in foams. 14. Vinyl curtains or liners can be wiped down with a mild detergent to remove mildew or soap film . 15. _Wash the ceiling with one of several commonly available liquid cleaners that will not leave a soap film . 16. Frankel published a paper on measuring the thickness of soap films in the Journal of Applied Physics in 1966. 17. Fixtures in shiny chrome and brass need to be polished to get rid of water spots and soap film . 18. Fixtures with shiny chrome and brass finishes show water spots and soap film readily, so they must be polished often. 19. In the 19th century, Belgian physicist Joseph Plateau examined soap films , leading him to formulate the concept of a minimal surface. 20. He conducted extensive studies of soap films and formulated Plateau's laws which describe the structures formed by such films in foams.
