(1) Nws yog dav siv rau kev tuag casting ntawm lub qev paj, feem ntau rau cov cav tov me me thiab nruab nrab;
(2) Tag nrho ntsug txias chamber tuag casting tshuab muaj ib me me hneev taw dua lwm yam tuag casting cav txog tib tonnage, tab sis qhov siab siab dua;
(3) Thaum cov hlau uas nkag mus rau hauv lub qhov pwm, qhov tig yog qhov me, qhov khiav yog luv, thiab qhov poob siab me me;
(4) Thaum nchuav hlau, nws yuav tsum hla lub pwm ntuav, thiab nws yuav tsum tau ua kom zoo tias cov kua ntws tuaj yeem yuav tsis ntub rau ntawm cov pwm ntuav ntog;
(5) Cov kev txhaj tshuaj ntawm tag nrho ntsug chamber tuag casting tshuab yog hauv qab no, thiab nws tsis yooj yim los hloov lub siab Chamber thiab kho ua hauj lwm.
