<https://optitex.com/zh-hans/webinar/lets-grade-grading-theory-practice/#webpage>
<http://schema.org/description>
"Intended for new and basic 2D users, this webinar will help you sharpen your grading skills. Our presenter Emanuel Sepulveda, Technical Services Specialist, will show around the grading tools available in Optitex, and teach you how to check and perfect your grading and fit."
<https://optitex.com/zh-hans/webinar/lets-grade-grading-theory-practice/>