Single/multi-choice problem: Which of the following solutions is better for the following goal:
What is the best way to clean up wood chips and sawdust after using a saw?

Available options:
a). Grab a hand vacuum like a dustbuster and turn it on and move it over the wood chips and sawdust until all of them are vacuumed up.
b). Grab a hand vacuum like a dustbuster and turn it off and move it over the wood chips and sawdust until all of them are vacuumed up.
a).