Fekthering ea rona ea ho etsa ente, re hlahisa liforomo tsa polasetiki tse nepahetseng haholo tse etselitsoeng ho fihlela litlhoko tse fapaneng tsa indasteri. Mefuta ea rona e entsoe ka mekhoa e tsoetseng pele ea ho netefatsa ho tšoarella, ho nepahala, le tlhahiso e se nang moeli, e loketseng ho sebetsana le lithulusi, lisebelisoa, thepa ea ka tlung le tse ling.
Ka likhetho tsa khetho ea boholo, sebopeho, le likarolo tsa ergonomic, re fana ka tharollo e lumellanang le litlhoko tsa hau tse ikhethileng. Re tšepe ho fana ka liforomo tsa polasetiki tse bolokang chelete e ngata, tse tšepahalang tse ntlafatsang ts'ebetso le ho netefatsa boleng bo holimo ba sehlahisoa bakeng sa lits'ebetso tsa hau tsa tlhahiso.