Tepi yomatira, yomwe imadziwika kuti tepi, ndi chida chosunthika komanso chosavuta chomwe chimagwiritsidwa ntchito polumikiza ndi kuteteza zida zosiyanasiyana.Zimapangidwa ndi zinthu zosunthika zomwe zimakutidwa ndi zinthu zomatira zomwe zimalola kuti zigwirizane ndi zomwe zili pamalo pomwe zimagwiritsidwa ntchito.Tepi yomatira imagwira ntchito zambiri, kuphatikiza kulongedza, kusindikiza, kukonza, ndi kupanga.
Zimabwera m'mitundu yosiyanasiyana, monga duct tepi, masking tepi, ndi tepi ya mbali ziwiri, iliyonse yopangidwira ntchito zinazake.Chogulitsa chosavuta komanso chothandizachi chakhala chinthu chofunikira m'mabanja, m'maofesi, ndi m'mafakitale, kufewetsa ntchito ndikupereka yankho lodalirika pazosowa zosakhalitsa kapena zokhazikika.