Kayan aikin da ake yin caɓi yana nufin abin rufe fuska, wanda galibi ana yin shi da fata, zane, ko wasu abubuwa masu ɗorewa, da ake amfani da su don kare igiyoyi, layi, ko wasu sassan jirgin daga lalacewa da tsagewar da ke haifarwa a kan wasu filaye. Hakanan ana amfani dashi a cikin saitunan masana'antu don kare igiyoyi, hoses, da wayoyi daga lalacewa ko lalacewa saboda shafa akan wasu kayan aiki ko saman. Kalmar “chafing” tana nufin lalacewar da akai-akai ta shafa ko gogayya.