[Q]: Which of the following solutions is better for the following goal:
To water proof the wooden product.

[A]: Brush a coat of polyurethane always brushing with the grain. Let it dry and put 2 additional coats on it.

[Q]: Which of the following solutions is better for the following goal:
How to get the baby to sleep when the yard work is going on.

[A]: Turn up some lullaby music and put the bathroom exhaust fan on to drown out the outside noise. rock the baby to sleep.

[Q]: Which of the following solutions is better for the following goal:
tumbler

[A]: can smash the blade

[Q]: Which of the following solutions is better for the following goal:
Hold nails with a hammer.

[A]:
Glue magnet to bottom of hammer to hold nails.