context: A group of people are gathered around a tall christmas tree. they
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next sentence for the context: are each applying ornaments to the tree.

context: How to clean for a sleepover
Decide where the sleeping area will be.
Tidy this area really good, and make sure it has enough room for everyone including you.
Vacuum and sweep the floor well, especially areas where sleeping bags, pillows, quilts, stuffed animals, and people will be.
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next sentence for the context: If you have pets, clean up all pet hairs and dander in case of allergies. Use pet cleaning tape to roll hairs off cushions, carpet, bedding, and other surfaces.

context: How to hum
Begin singing a note.
Open your mouth and begin vocalizing a certain note or pitch. Keep your lips parted slightly and your jaw, throat and diaphragm relaxed.
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next sentence for the context: You should feel the vibrations of the note originating at your vocal cords. The only real difference between singing and humming is that when humming, the movements of the mouth are taken out of the equation.

context: How to seal a plastic gas tank
Drain the gasoline from the tank and allow it to dry.
Sand the area around the hole or crack, and clean the area with a shop cloth saturated with rubbing alcohol.
Mix the 2 part epoxy together and apply all around the perimeter of the opening.
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next sentence for the context:
Cut a fiberglass patch large enough to cover the opening and overlap it. Place the fiberglass patch over the hole and press into the epoxy.