1, tom qab siv steel sprouts yuav tsum tau muab tso rau ntawm ib tug tshwj xeeb txee, khaws cia nyob rau hauv ib tug ventilated, qhuav, huv si Hoobkas, los ntawm txhais tes saib xyuas.

2, qhov saum npoo yuav tsum muaj kev tiv thaiv xeb, tsis tso cai rau hauv cov kua qaub, alkali, ntsev, tshuaj gases thiab noo noo cia.

3, txwv tsis pub nyob rau hauv qhov kub thiab txias cheeb tsam cia.

4, tsis tu ncua ntxuav cov rotating qhov chaw, tsis tu ncua lubricants, kom tsis txhob qhuav kev sib txhuam, jamming phenomenon.