Saw vs Saw
He saw his friend using a saw to fix the chair. She saw it wobbling and grabbed another saw. By the time he saw what she was doing, the chair was steady., then grab the polish to, once again, fix the chipped nail.
PIE SPEAK: Saw - Same spelling, different meaning.
Pronunciation
Past of "see" = SAW (verb)
Tool for cutting = SAW (noun)
Intonation Practice
I SAW a movie last night.
Use a SAW to cut the wood.
She SAW something strange.
The SAW was on the workbench.
Expression Tip
Both sound the same — the meaning depends entirely on context.

