[Q]: Which of the following solutions is better for the following goal:
How do I give my PC a deep clean?

[A]: Remove all of your components and lay them out on a non-conductive surface. ... Use compressed air and a lint free cloth to blow and wipe any dust build up you can see. ... To clean fan blades, hold them steady and wipe or blow each blade individually.

[Q]: Which of the following solutions is better for the following goal:
How do I make art on a used CD?

[A]: Apply an acrylic color to an old CD with a paint brush and let it dry, sketch a simple design on the paint and then use a screwdriver to scratch off the paint to complete your picture.

[Q]: Which of the following solutions is better for the following goal:
Prevent take out food from getting cold.

[A]: Turn on seat warmer and keep food on it.

[Q]: Which of the following solutions is better for the following goal:
Treat poison ivy.

[A]:
Rub with mouth wash.