[Q]: Which of the following solutions is better for the following goal:
How to solder

[A]: Place the soldering iron in its stand and plug it in. Wait for the soldering iron to heat up. Moisten the sponge. Wipe the tip of the iron on the damp sponge. ... Melt a little solder on the tip of the iron. ... The tip of the soldering iron should be a shiny silver color. now its ready to solder

[Q]: Which of the following solutions is better for the following goal:
To clean the uppers and tongue of a sneaker.

[A]: Using a Clorox wipe, gently clean any dirt and stains around the shoe. Fully clean the tongue of the shoe, taking special care with and around the shoelace eyelets. Repeat until satisfied.

[Q]: Which of the following solutions is better for the following goal:
To increase the velocity of the shot from an air gun.

[A]: Coat the pellets in plant oil before firing.

[Q]: Which of the following solutions is better for the following goal:
How to blend blush while applying make up?

[A]:
use a separate clean brush to blend well Brush in downward motion at the end of blending to allow your facial hairs to lie smoothly on your skin's surface.