A cikin masana'antar marufi, ƙaramin kwali yana nufin nau'in kayan da kwalin da kuke rufewa aka yi daga ciki.Mafi yawan nau'in ɓangarorin da aka yi amfani da su shine fiberboard corrugated.

Tef mai matsi yana da alaƙa da amfani da ƙarfi mai gogewa don fitar da mannewa a cikin filaye na zaɓaɓɓen abin da aka zaɓa, kuma bambance-bambance a cikin tsarin mannewa na iya yin tasiri yadda ya dace da maɓalli daban-daban.

“Budurwa” (wanda ba a sake yin fa'ida ba) corrugate shine yawanci mafi sauƙin nau'in katun katako don kaset ɗin marufi na gargajiya don mannewa.Wannan kayan an yi shi ne da zaruruwa masu tsayin daka waɗanda aka ware su da yawa ta yadda mannen tef ɗin zai iya shiga cikin sauƙi cikin sauƙi kuma ya manne da waɗannan dogayen zaruruwan waɗanda ke yin abin.Yawancin kaset ɗin an ƙera su don manne da sabbin corrugate da aka ƙera.

Corrugate da aka sake yin fa'ida, a daya bangaren, yakan haifar da kalubale wajen rufe harka, saboda filayen sun fi guntu da kuma cushe tare saboda yanayin aikin sake yin amfani da su.Wannan yana da wahala wasu kaset ɗin marufi su manne saboda manne ba zai iya shiga tsakanin filayen corrugate ɗin cikin sauƙi kamar yadda ake yi a cikin corrugate na budurwa.Don yin aiki a kusa da wannan, akwai kaset ɗin marufi waɗanda aka ƙera tare da wannan ƙalubale kuma an ƙirƙira su tare da abin ɗamara wanda zai iya manne da kyau sosai ko kuma 100% da aka sake sarrafa su.