Ho tloha ha e thehoa ka 2013, k'hamphani ea rona e ntse e tsoela pele ho hola.Hona joale k'hamphani ea rona ha e felle feela ho fana ka bareki ka tlhahiso ea mochine.Ka nako e ts'oanang, re boetse re tsetetse fekthering ea rona ea hlobo ea polyurethane le fektheri e felileng ea sehlahisoa ho fihlela litlhoko tsa bareki ka likarolo tse fapaneng, e le hore re be k'hamphani e kopanyang moralo, lipatlisiso le nts'etsopele, tlhahiso le thekiso.Sepheo ke ho fana ka ts'ebeletso e felletseng ea ho emisa e le 'ngoe e le moetsi ea kopaneng oa setsebi sa lisebelisoa tsa polyurethane.