context: The lady puts a hair ties around the two braids. The lady puts a hat on her head. the lady
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next sentence for the context: gives a peace sign and waves.

context: How to conduct a secondary survey of the neck, spine and back during first aid
Check your abc's.
Airway. The victim must have a patent airway.
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next sentence for the context: There can be no obstruction and air should freely move in and out. Without a patent airway, nothing else matters.

context: How to disinfect used shoes
Clean the insoles of your shoes.
When it comes time to wash your shoes, remove the insoles and wash them first. In a small bowl, prepare a mixture of warm water and laundry detergent.
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next sentence for the context: To wash the shoe insoles, use a sponge or a rag to scrub away the smell, dirt, and stains. Rinse the insoles off with warm water when you've finished scrubbing them with your detergent mixture.

context: How to use a chemical drain cleaner
Understand what drain cleaners do.
Chemical drain cleaners or openers usually rely on a strong acid or alkali to do the job. These substances both break down and dissolve the clog, and react with the water to form heat.
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next sentence for the context:
Drain cleaners work best on slow moving drains. They are less effective in clogs with standing water.