litaba

Ho na le mefuta e mengata ea mechini e silang phofo e sebelisoang hajoale, 'me ho na le mefuta e mengata ho latela mekhoa e fapaneng ea ho arola:
Bolelele ba rolara ea ho sila bo arotsoe ka mefuta e meraro: e kholo, e mahareng le e nyane.Bolelele ba moqolo oa liloala tse kholo ka kakaretso ke 1500, 1250, 1000, 800, le 600mm;bolelele ba moqolo oa liloala tse mahareng hangata ke 500, 400, le 300mm;bolelele ba moqolo oa liloala tse nyane ka kakaretso ke 200mm.
Palo ea li-roller e ka aroloa ka mofuta o le mong le mofuta o habeli.Pale e le 'ngoe feela ea lirolo tse silang ke leloala le le leng;lipara tse peli ho ea holimo ke liloala tse kopantsoeng tsa rolara.Hajoale, liloala tse kholo le tse mahareng li kopantsoe le li-roller.
Mokhoa oa ho laola o arotsoe ka mefuta e meraro: taolo ea othomathiki ea pneumatic, taolo ea othomathike ea haeteroliki, le taolo ea matsoho.Liloala tse kholo le tse mahareng hangata ke taolo ea othomathiki ea moea, 'me liloala tse nyane hangata li laoloa ka letsoho.
Re bahlahisi ba nang le mekhoa e metle ka ho fetisisa ea theknoloji, ba bolokang litšenyehelo, 'me ba hlōlisana ka theko.Re ile ra amohela mokhoa le tsamaiso ea boleng ba tsamaiso, e thehiloeng ho "tšekamelo ea bareki, botumo pele, melemo e kopanetsoeng, nts'etsopele ka boiteko bo kopanetsoeng", ho amohela metsoalle ho buisana le ho sebelisana ho tsoa lefats'eng lohle.