How to clean vinyl flooring<br>Use a doormat to keep the floor clean. The substances you track into your house on your shoes are damaging to vinyl flooring. Dirt, tiny pits of gravel, and chemicals from asphalt are abrasive to the vinyl, and over time will cause it to get scratched and yellowed.

Based on that paragraph can we conclude that this sentence is true?
vinyl flooring has been used by dan

Choices:
 (1). Yes.
 (2). It's impossible to say.
 (3). No.