It's also advisable to check whether there are any cracks on the beads.
More time the fibre the less risky it comes about spun into yarn. But Mary's answer relates specifically to the job these kinds of are applying for (dog groomer). https://Www.digitaljournal.com/pr/news/press-advantage/revolutionizing-contractor-license-education-contractors-state-license-center-shapes-the-future-in-los-angeles