context: How to increase fuel mileage on a car
Set the car tires to the proper inflation.
Properly inflated tires can reduce fuel consumption by up to 3 %. Your tires also lose about 1 psi per month, and when the tires are cold (e.g., in the winter), their pressure will decrease due to the thermal contraction of the air.
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next sentence for the context: It is recommended to check tires at least monthly, preferably weekly. Having properly inflated tires will also help you avoid uneven wear on the tread.

context: How to be cool at a pool party
Wear what you feel comfortable in to swim.
If you don't feel comfortable in what you're wearing, that will show. Pick something in a color and style you love, and your confidence will shine through.
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next sentence for the context: Maybe you love an awesome tankini and shorts, or maybe you like to rock a one piece. Maybe you like short shorts or maybe you prefer board-length shorts.

context: How to chill a keg of beer
Prepare a tub for the keg.
To chill a keg, you will need a large, durable container into which the keg will fit with a little room surrounding it. The best option is buying a specialized keg tub, which can be found at many liquor stores and home brewing supply stores.
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next sentence for the context: Another ideal container is a large trash can. Most high-capacity outdoor trash cans can easily fit a keg of beer inside with room to spare.

context: How to add a mac to a homegroup
Enable file sharing on your windows computer.
It is not possible to directly add a mac computer to your windows homegroup. Instead, you'll be sharing specific folders with the mac.
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next sentence for the context:
To do this, you'll need to ensure that file sharing is enabled in windows : Open the start menu or screen and type " network and sharing center " to open the network and sharing center window. Click the " change advanced sharing settings " link.