context: How to select and use tofu
Note the main types of tofu.
These are soft, firm, silken (soft and firm), and extra-firm. Their uses vary, so choose them according to what you're cooking.
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next sentence for the context: Choose firm tofu or silken firm tofu for stir-fries. Both these types also puree well to make creamy, dips, and other foods needing such a consistency.

context: How to pull out a loose tooth
Watch for wide movement.
Before anyone tries to pull a baby tooth out, it should be moving quite a bit. That is, your child should be able to move it back and forth and side to side without much pain.
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next sentence for the context: Lots of movement means the tooth is about ready to come out. As noted, it's always best to let the baby tooth fall out on its own if possible.

context: How to make a leyden jar
Choose a jar.
You have to be careful about what materials you use to construct your leyden jar. The material must serve as an insulator between the inner charge (+) and the outer charge (-).
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next sentence for the context: Choose a glass jar or a plastic bottle with a lid. If possible, get a big jar or bottle, such as one that holds 0.5 to 1 gallon (1.9 to 3.8 l).

context: One of the two men digs in a fire pit where there was a fire and then pours water on it. the same man
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next sentence for the context:
digs around in the pit with his hand looking for burning embers.