Polycold e khutletse tlhokomelong ea feme ho netefatsa tlhahiso ea bareki.
Feme ea kantle e romela thepa ea khale e robehileng fekthering ea rona bakeng sa ho lokisoa.Ka nako e ts'oanang, re romela mochine oa mohlala o tšoanang o nang le ts'ebetso e tloaelehileng fekthering ea linaheng tse ling.