Isakhiwo seeOfisi Isakhiwo seOfisi eNgundoqo yakwaKohan Ceram yikomkhulu lenkampani eyenza izitena eTehran. Esi sakhiwo siqulethe igumbi lokubonisa iimveliso, iofisi yentengiso kunye neyunithi yeendwendwe. Kwaphuhliswa isitena esikhethekileyo saseprojekthi, esidibanisa isitena semizi-mveliso neglasi etyhidiweyo. Isitena ngasinye singqindilili ngeesentimitha ezili-19 kwaye siqulethe umaleko wokugcina ubushushu phakathi kwemaleko emibini yezitena. Esi sitena sisebenza njengesakhi sokwakha, njengomgqibelo kunye nesigcini-bushushu ngaxeshanye. Kwaesi sitena sinye senza indawo yangaphandle yesakhiwo kwaye sibumba iindawo zangaphakathi, singenisa ukukhanya kwemini ngaphakathi ngelixa sikhusela ubumfihlo.