[Q]: Which of the following solutions is better for the following goal:
To bake cookies with perfect texture.

[A]: Chill the dough prior to baking (one hour is good; overnight is better). Also, when you remove the cookies from the oven, bang the pan straight down on the stove to force the cookies to settle.

[Q]: Which of the following solutions is better for the following goal:
how to cut bottles for drinkware

[A]: soak a piece of string in alcohol. wrap around the bottle at desired height and tie. Light string on fire, and allow to burn for a bit, before dipping in cold water. firmly tap against a stiff surface. sand edges with a light sandpaper

[Q]: Which of the following solutions is better for the following goal:
Increase grip of tool handles.

[A]: Add hockey self cling tape to handles.

[Q]: Which of the following solutions is better for the following goal:
How to clean contact lenses?

[A]:
Pour the lens solution on to the lenses and gently rub them with fingers.