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

[A]: can be submerged in flour

[Q]: Which of the following solutions is better for the following goal:
How can you open those terrible impossible to open plastic containers merchandise is sold in?

[A]: Use a can opener, simply latch the opener on and twist it along the top or bottom edge of the package.

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

[A]: cleaned the screwdriver oily handle

[Q]: Which of the following solutions is better for the following goal:
To attach two separate sections of a wooden plank using a brass hinge.

[A]:
Line up the two sections of a wooden plank lengthwise. Screw in the brass hinge at the ends of each of the sections, attaching them at the hinge.