TUNUKA, takhtapulodi pukhtai gafsiash 0,08—0,32 mm-ro guyand, ki bo usuli prokati khunuk tayyor meshavad. Baroi zang nazadanash ba on har khel lok memoland.
Tunukai bo qalagi andudashudaro tunukai safed meguyand. Dar SSSR varaqahoi tunukai andozaash 512—1000x 712—1200 mm hamchun rulonhoi barash to 1 m va massai to 15 t istehsol meshavand. Tunukaro asosan baroi sokhtani quttihoi konserv istifoda mebarand.