The word(s) "worked" appears 2 time(s) in 2 verse(s) in Quran in Muhammad Habib Shakir translation.

(1) As for the boat, it belonged to (some) poor men who worked on the river and I wished that I should damage it, and there was behind them a king who seized every boat by force.

(2) And (We made) the wind (subservient) to Sulaiman, which made a month's journey in the morning and a month's journey in the evening, and We made a fountain of molten copper to flow out for him, and of the jinn there were those who worked before him by the command of his Lord; and whoever turned aside from Our command from among them, We made him taste of the punishment of burning.