Question:
Goal: How do you change water color?

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
use colored dye or paint.

Question:
Goal: To clean dirt and grease from white paint,

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
spray the area with bleach spray and scrub.

Question:
Goal: How do you use to apply wood lacquer to wood art piece?

Which of the following methods is more reasonable for accomplishing this goal?
Answer:
Use a bristle brush to apply the lacquer.