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__________ is a non volatile film forming constituent of a paint.

A. Thinner

B. Dryer

C. Drying oil

D. None of these

Please do not use chat terms. Example: avoid using "grt" instead of "great".

You can do it
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  17. Fahrenheit and Centigrade scales have the same readings at
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  19. Fire refining process is employed in case of
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  21. __________ fluid force is not considered in the Navier-Stokes equation.
  22. __________ joint is mostly used for joining pipes carrying water at low pressure.
  23. The best guide to judge the general quality of water is the measurement of its
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