the superglue + cotton trick

Videos that might be a good "very quick summary / introduction to the topic":

• shorts:   montage
• shorts:   hinge repair

Other videos:

• shorts:   patch pipe from the inside!
• shorts:   complex repair — plastic case of a battery charger
• shorts:   complex repair — diagonal lashing
• complex repair — damaged screw boss
• load testing
  • a quick excerpt of the above
• montage (unfornately this isn't a great "101" video, since it shows 1) baking soda, 2) cotton, and 3) Q-tips, all in the same video, which sort of confuses the issue for total beginners)