Goal:
How to remove white rings that form on wooden flooring?
Answer:
Use a mixture of vinegar and water and apply lightly to the rings, scrub with the grain of the wood until they release

Goal:
sheet of paper
Answer:
can be used to cover a dog cage if it has holes

Goal:
How to cut a duck-tape on desired length?
Answer:
One can use a scissor or a blade or a knife to cut the tape after desired length.

Goal:
What can I use to weigh down a shower pan after applying it with thin set?
Answer:
You can place a heavy item such as boxes of tiles or bags of thin set onto the shower pan to weigh it down.