Siyajabula ukwethula indwangu yethu ekhethekile yokunyathelisa kini. Le nto yenziwe ngendwangu yesikhumba sepentshisi njengesisekelo sayo kanye nokwelashwa okuzwela ukushisa engxenyeni engaphandle. Ukwelashwa okuzwela ukushisa kuwubuchwepheshe obuhlukile obuvumelana nokushisa komzimba womuntu ogqokile, okumgcina ekhululekile kungakhathaliseki isimo sezulu noma umswakama.
Indwangu yethu ye-Thermochromic (ezwela ukushisa) yenziwa ukuthi ikwazi ukusetshenziswa ngokusebenzisa uboya obugoqeka bube yizinqwaba eziqinile uma kushisa, okudala izikhala endwangu ukuze kulahleke ukushisa. Ngakolunye uhlangothi, lapho indwangu ibanda, imicu iyanda inciphisa izikhala ukuze kuvinjelwe ukulahleka kokushisa. Izinto ezisetshenziswayo zinemibala ehlukahlukene, kanye namazinga okushisa okwenza kusebenze kangangokuthi lapho izinga lokushisa likhuphuka ngezinga elithile, upende ushintsha umbala, kungaba umbala owodwa kuya komunye noma umbala ongenambala (omhlophe okhanyayo). Le nqubo iyaguqulwa, okusho ukuthi uma kushisa noma kubanda, indwangu ibuyela embala wayo wokuqala.