Nka boikarabello bo felletseng ba ho kopana le litlhoko tsohle tsa bareki ba rona; Finyella tsoelo-pele e tsoelang pele ka ho ntšetsa pele kholo ea bareki ba rona; ho ba molekane oa ho qetela oa ho qetela ea bareki le ho holisa lithahasello tsa bareki bakeng sa linoelo tsa li-vacuum tsa ho li-wombuum bakeng sa khalase,Litefiso tsa feshene tsa fensetere,Likopi tsa khalase ea khalase ea khalase,Likhakhaletsi tsa Suction,Liphahale tsa Tefelo tsa Khale. Ha rea mpa ra fana feela ka boleng bo holimo ho bareki ba rona, empa ho bohlokoa le ho feta ke ts'ebeletso ea rona e ntle le theko ea tlholisano. Sehlahisoa se tla fana ka lefatše lohle, joalo ka Europe, Amerika, kamano ea khoebo e telele le e ntle le batho ba bangata ho potoloha lefatše. Hajoale re lebelletse tšebelisano e kholo le ho feta ho balaoli ba fetang mose ho mateane e ipapisitse le melemo ea bobeli. Ka kopo ikutloe u lokolohile ho ikopanya le rona bakeng sa lintlha tse ling.