E-TRACK ke tharollo ea lipotso tsa hau tsa thepa.
Terene ena ea silevera ea 10ft e otlolohileng ke ankora e phethahetseng bakeng sa litlhoko tsa hau tsa thepa ka har'a literaka, literaka tse kentsoeng mabokoseng, likepe tsa mafika, litereilara tse kholo tse kentsoeng, liveni tse nyane tsa thepa.