Pokello ea rona ea likhalase tsa letsatsi ke mohlala oa setaele, bonolo, le ho rarahana. Ka mebala e tsotehang ea lengau, mefuta e mengata ea meralo, le mekhoa e mecha, likhalase tsa rona tsa letsatsi li loketse banna le basali. Li na le lihinji tsa boleng bo holimo le mefuta e meholo ea liforeimi, likhalase tsa rona tsa letsatsi ha li bapisoe ho latela boleng le ho tšoarella nako e telele.
Khetha pokello ea rona ea likhalase tsa letsatsi bakeng sa ketsahalo efe kapa efe, ebang ke e tloaelehileng kapa e tloaelehileng. E entsoe ka thepa ea pele, liforeimi tsa rona li entsoe ka tšepe ea boleng bo holimo, e netefatsang boiketlo le matla. Ho feta moo, lihokelo le maoto a likhalase tsa rona tsa letsatsi li entsoe ka boqhetseke ho fana ka boiketlo bo boholo le ho tšoarella.
Ntle le ho ba setaele le ho tšoarella nako e telele, likhalase tsa rona tsa letsatsi li boetse li fana ka tšireletso ea bohlokoa ea UV, e bolokang mahlo a hau a sireletsehile mahlaseling a kotsi a UV. Mefuta ea rona ea likhalase tsa letsatsi e thusa batho le maemo a fapaneng a fapaneng, ho tloha ho batho ba ratang lipapali ho isa ho li-gurus tsa setaele. Likarolo tsa rona tse thibelang ho harola li boetse li etsa hore likhalase tsa rona e be khetho e phethahetseng bakeng sa mesebetsi ea kantle, e netefatsa hore likhalase tsa hau tsa letsatsi li lula li le teng esita le lipapaling tse thata ka ho fetisisa.
Ebang u mosebetsing, u bapala lipapali, kapa u phomotse lebōpong la leoatle, pokello ea rona ea likhalase tsa letsatsi e u thusitse. Pokello ea rona ea likhalase tsa letsatsi e na le ho hong bakeng sa motho e mong le e mong, ho netefatsa hore u lula u shebahala hantle ka ho fetisisa. Joale ke hobane'ng ha u emetse? Eba le bokhabane, setaele le boiketlo ba lengau la rona le likhalase tsa letsatsi tsa boleng bo holimo kajeno!