context: How to create a solar panel water heater
Get a double-glazed unit for the sunlight to pass through.
Glaziers and window manufacturers sometimes have scrap units for patio doors or large windows that can be bought very cheaply. Glass with a low-emissivity coating such as pilkington k glass is ideal.
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next sentence for the context: Get a single-panel room radiator that is slightly smaller than the glass unit. Scrap yards sometimes have old radiators, or ask a plumber who is refurbishing a central heating system.

context: How to create nested folders on ios 8
Create the folder that will be nested inside another.
Hold down on an app until the apps start to wiggle. Once they have done that, drag on app on top of another until the both go into a folder.
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next sentence for the context: If you wish to add more apps to the folder, repeat the process, dragging the apps into the created folder. It is vital that this is already created before you create the " outside " folder, or else this process will not work.

context: How to deal with frenemies
Confide in a true friend that you trust.
If you're not sure whether or not this person is a frenemy, talk over your concerns with a friend you're absolutely sure about and happy around. This person may throw new perspective onto the situation that helps you to realize the value of your relationship with the frenemy.
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next sentence for the context: Be certain who you're talking to won't pass your concerns back to the frenemy. Play it safe by ending the relationship gently.

context: A man submerged in a pool of water, except for his head, begins to talk to a camera using hand gestures. a second man
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next sentence for the context:
enters the pool and begins to talk to the camera as well while submerged and bobbing in the water with a yellow volley ball in hand.