[Q]: Objective: Can you feed wild ducks without harming them?
[A]: Yes you can if you give them real duck food like corn or greens from the garden. This is what they eat naturally and will not harm them. Do not use bread to feed them.

[Q]: Objective: To polish off car or bicycle headlights
[A]: Rub toothpaste on the glass covers and use a soft cloth to rub

[Q]: Objective: Seal zip lock bag.
[A]: Seal zipper around straw, suck air out, remove straw and complete seal.

[Q]: Objective: To salvage books you have read,
[A]:
do not write in them or bend the pages down and then resell them on Amazon or eBay.