Problem: How to install a ceiling speaker in a tile ceiling
Take the tile you wish to place the ceiling speaker in out of the ceiling.
Find the center of the tile and make a circle just big enough for the back of the speaker to fit.
( keep in mind, some speakers have transformers which will require a larger hole.

Answer: Warning: make sure your hole is not to big that the flange of the speaker grill will not cover your hole. With a spiral saw (rotozip) or drywall saw cut out the circle you just made in the ceiling tile.

Problem: How to start a boiler
Familiarize yourself with the boiler operating instructions.
Depending on the make and model of your boiler, its startup procedure may vary. Many boilers list general startup instructions on a label attached to the front jacket panel.

Answer: Always follow boiler directions for safe startup and usage. Improper boiler startup or operation could result in damage to the boiler, exposure to hazardous materials, fires, or an explosion.

Problem: How to become an amazing skateboarder
Don't be scared.
This is the most important thing. If you get scared, chances are you won't do the trick.
Answer: And half the time, you would have landed the trick the first time had you just committed. So don't ever wuss out.