context: How to clean chimneys
Determine whether the chimney needs to be cleaned.
Chimneys should be cleaned at least once a year, and more often if you use your fireplace frequently.
Take a flashlight and peer inside the chimney flute.
****
next sentence for the context: Use a pencil or plastic knife to scrape off a bit of the creosote that has accumulated on the side of the chimney. If it's 1/8-inch thick or thicker, it's time for a cleaning.

context: How to wear booties
Choose your heel height according to your fashion style, if you can't decide which ones to get.
Booties come in all sorts of shapes and styles. Certain heel heights, however, are associated with certain styles.
****
next sentence for the context: For example, heeled booties are often seen as being more chick fashionable, while flat ones are seen as being more casual and down to earth. Booties with a flat heel are best for a hipster or boho look, especially if they are made from brown leather.

context: How to choose the perfect light bulb for your lighting fixture
Look for the right wattage.
The first thing to consider when matching a lightbulb to a light fixture is the wattage amount. Every light bulb has a matching wattage-the amount of energy it is capable of producing.
****
next sentence for the context: This number will range anywhere from 40-watts to 120-watts for a traditional light fixture. On the flip side, every light fixture has a maximum wattage amount.

context: How to pack a bike to ship
Acquire a bicycle-specific box from your local bike shop.
If the shop is not able to provide you with a free used box, you can usually purchase a brand new box for a small fee.
Remove, or cover, any existing shipping labels on pre-used boxes.
****
next sentence for the context:
Remove the bike's handlebar, pedals, seat post and front wheel. Most of these parts can be removed by hand, although you may need to employ a small wrench in order to remove the pedals.