what technique would you use to scrub a difficult surface. what mixture of chemicals works best to clean surfaces of varying nature. how fast can you clean a surface of 10 square inches using a standard toothbrush.
Interview questions [1]
Question 1
what technique would you use to scrub a difficult surface. what mixture of chemicals works best to clean surfaces of varying nature. how fast can you clean a surface of 10 square inches using a standard toothbrush.
