Ciara is a novice watercolor artist. She is using the Google search engine to find a step-by-step guide to watercolor painting in PDF form so she can easily print it and keep it at her workspace. How can she narrow her search to only include PDFs?
use “site: watercolor”
use the minus sign: “-watercolor”
use “filetype: PDF watercolor step-by-step”
use quotation marks around the search term: “watercolor”