Cawv yog ib hom tshuaj tsis muaj kob, flammable chemical compound nrog ib tug muaj zog tsw thiab hlawv saj.Nws yog feem ntau siv los ua cov kuab tshuaj, roj, tshuaj tua kab mob, thiab tshuaj tua kab mob hauv ntau yam lag luam.Muaj ntau hom cawv, xws li ethanol, methanol, thiab isopropyl cawv, txhua tus muaj lawv tus kheej cov khoom thiab siv.Piv txwv li, Ethanol yog hom cawv uas muaj nyob rau hauv cov dej cawv thiab tseem siv rau hauv kev tsim roj, tshuaj ntxuav tes, thiab tshuaj tsw qab.Methanol, ntawm qhov tod tes, yog tshuaj lom thiab tuaj yeem pom hauv qee yam khoom siv tu, roj, thiab cov kuab tshuaj.Isopropyl cawv yog ib hom tshuaj tua kab mob thiab siv tshuaj tua kab mob hauv tsev kho mob, chaw kuaj mob, thiab tsev neeg.Txawm hais tias cawv muaj ntau yam kev siv, nws kuj yog ib qho kev puas siab puas ntsws uas tuaj yeem muaj kev phom sij rau kev noj qab haus huv thiab tib neeg thaum noj ntau dhau.