Ukukhanya kwangaphandle kunikeza ukukhanya okungu-100, okuhlanganisa ukwenza kusebenze ukunyakaza, ukuvala okuzenzakalelayo, ukufakwa okungenantambo nempilo ende yebhethri. Ukwandisa ukuphepha nokuvikeleka ezindaweni ezifana neminyango, amagaraji, amadekhi, amashedi, uthango namagceke angemuva.