"Tawv" yog ib qho lus nyob hauv tawv muag khoom ua lag luam, thiab nws yog ib lub npe txawv rau ntuj tawv kom paub qhov txawv tawv hluavtaws. Nyob rau hauv lub tswv yim ntawm cov neeg siv, "tawv" kuj muaj lub ntsiab lus uas tsis yog lus dag. Tsiaj tawv yog ib hom ntuj tawv, uas feem ntau peb hais. Nws yog tsim los ntawm tsiaj (nqaij tawv nqaij) thiab ua tiav los ntawm tawv tsev Hoobkas kom tawv tawv nrog ntau yam ntxwv, lub zog, tes xis, xim thiab qauv. Nws yog ib qho tseem ceeb rau cov khoom siv niaj hnub.
Kev ua tawv tsiaj tawv tawv heev heev, thiab nws yuav siv ntau lub sijhawm ua kom tiav cov tawv nqaij: nyoos nkaum - Kev loj hlob ---- Deashing ---- Softening ---- Immersion Acid ---- Tanning-- - Qiv Txais Nyiaj --- Shaving ---- Kev Tiv Thaiv ---- Nais Tuaj Txawv- --- Kev Txom Ncauj - Kev Txim Siab ----- Filling ----- Kev Qhuav ---- Tuaj Txhawb ---- Tiav tiav tawv. Muaj ntau ntau hom. Raws li cov ntaub ntawv, muaj yaj tawv, nyuj tawv, nees tawv, nab zaws tawv nqaij, khau tawv tawv khej tawv, thiab lwm yam Raws li kev ua tau zoo, nws muaj peev xwm muab faib ua ob txheej ntawm tawv, tag nrho grain tawv, suede thiab dai kom zoo nkauj. Lub ntsej muag tawv tawv, daim tawv nqaij, daim tawv sib tshooj, co-crossed-leather, thiab lwm yam.
Ntawm lawv, cowhide, sheepskin thiab pigskin yog peb hom ntawm tawv siv nyob rau hauv tanning.