context: How to add lead to a mechanical pencil
Replace cassettes.
Exact instructions may vary by model, but generally, start by pulling the eraser out of the pencil, which will draw out the old cassette. Give the old cassette a shake just to make sure that it really is empty.
****
next sentence for the context: If so, insert a new cassette into the pencil's open chamber. Once it clicks into place, reinsert the eraser after detaching the old cassette.

context: A person is riding a dirt bike over a hill. someone
****
next sentence for the context: stands on top of a dirt hill.

context: They begin to attempt to chop the wood, but have trouble getting the axe out at first. A woman finally gets the axe out and they start chopping the wood. the camera
****
next sentence for the context: pans around to the spectators as a woman in a bandanna successfully chops the wood and takes a bow.

context: How to clean vinyl windows
Rinse off dirt and debris with clean water.
Vinyl windows can be easily scratched and discolored, so caution is needed when cleaning them. Use fresh, clean water to rinse off any loose particles and dirt from the surface by gently pouring water from a pitcher or wringing it out of a clean wet rag.
****
next sentence for the context:
Avoid wiping debris-covered windows without rinsing them first. To avoid scratching, you should also remove any rings, bracelets and watches you're wearing before you begin.