input question: how can you use a dryer sheet to clean soap scum?

output answer: Rinse the dryer sheet with tap water and wring it out. Scrub the grime with the dryer sheet.

input question: How to bake banana bread.

output answer: Place dough in the oven for 30 minutes.

input question: To draw lines on a piece of metal to tell you where to cut, you can

output answer:
Use a sharpie or other marker to indicate where to cut