Materase a selemo sa mokotla

Karolo ea boraro ea nako ea bophelo e sebelisoa betheng, batho ba robala boleng ba ama bophelo ba batho ka ho toba. Boleng ke tekanyetso ea pele ea ts'ebetso ea tlhahiso. 1. Hobane mong le e mong mokotla selemo materase spring 'mele tsohle motho ka mong tshebetso, ikemetseng, ka arola telescopic, ka hona, larileng ka tse peli tse ka holimo ho mothinya e mong kapa tloha, e mong e leng, ke ke angoa ke le hanyenyane feela, etsa bonnete ba ho robala sireletsehileng le phutholohile. 2. Selemo se seng le se seng ho nka terata ea tšepe e phahameng e kobehang ka har'a 'nkho'; 'Me joale petelitsoe tshebetso ya ho sebetsa, ho tiisa ka thata faeba mokotla, ka katleho thibela hlobo kapa kokoanyana ja ke tšoèlè, le ho qoba selemo ka khohlano le mong ho e mong, ho sisinyeha, lerata; Ho ea ka ka tieo ho latela molao-motheo oa moralo ergonomic ea karohano tse tharo tse ikemetseng selemo, ho feta ka ho ya ka mothinya oa 'mele oa motho le boima ba' mele le tenyetsehang, boholo karolo e 'ngoe le e' ngoe ea 'mele, boloka mokokotlo o otlolohile, mesifa ea tlhaho e lekaneng ho phomola, ho fokotsa boroko ba lesea. Ntlha ea 3. Mekotla ea helical spring core ea selemo nakong ea tlhahiso e bile khatello, 'me e na le matla a itseng a rekere, ka hona, ha ho na deformation e setseng le rekere. 4. Mekotla ea selemo e na le boikemelo bo itseng, e ka tsamaisana hantle le 'mele oa motho, ea fokotsa mokokotlo oa motho le marameng a mang khatello, e etsa hore letheka le khone ho mamella ka nako e le' ngoe;