Gōngchǎng de sīlúyuán fùzé guōlú de ānquán yùnxíng.
The factory's boiler operator is responsible for the safe operation of the boiler.
Tips
memory
司 = to be in charge of (as in 公司 company), 炉 = furnace or stove. So 司炉员 = the person in charge of the furnace. Today most often refers to the certified boiler operator at a factory or building.
