Problem: How to reinstall windows xp without formatting your hard drive
Get an xp cd, preferably the one you wish to reinstall.
Reboot and configure your computer to boot from the cd, then enter windows setup.
When all the drivers (including any you might need to specify yourself) have loaded, you should be at the main windows setup screen.

Answer: Note that if you are using a trial copy cd, there will be a screen explaining that the copy is a trial, before the main setup screen. Press " r " to start the windows recovery console.

Problem: How to make your hamster live longer
Choose the right cage.
Hamsters will live longer in the proper environment. Make sure you provide your hamster a spacious, comfortable cage.

Answer: The size of a hamster's cage is important for his health and wellbeing. A single hamster needs a cage that is at least 12 inches wide by 12 inches high by 18 inches long.

Problem: How to donate a used foldable white cane for the blind or visually impaired
To donate your white cane to africa you can do it through the uk registered charity blindaid africa.
See contact details at the bottom of the article.
Make sure that your cane is in good condition and be sure to package it carefully.
Answer: Enclose a note to explain that you intend the cane as a donation. Within the uk you can send the package for zero cost using free post for the blind.