1. Nyob rau hauv lub lifting lag luam tsis txhob sawv hauv qab lub hnab ntim.
2. thov dai tus nuv nyob rau hauv nruab nrab ntawm lub sling los yog hlua, tsis txhob diagonal lifting, ib sab lifting los yog kab pheeb ces kaum lifting ton hnab.
3. Tsis txhob rub, nuv lossis tsoo nrog lwm yam khoom thaum ua haujlwm.
4. Tsis txhob rub txoj hlua tawm sab nraud.
5. Kev siv lub hnab ntim khoom thiab lub tsheb ua haujlwm, thov tsis txhob ua rau tus menyuam tiv tauj lossis khi lub hnab ntim lub cev, txhawm rau tiv thaiv lub hnab ntim khoom tawg. 6. Nyob rau hauv lub rhiav tuav, sim siv lub pallet, tsis txhob dai lub thawv ntim, ib sab co ib sab tuav.
7. Khaws lub hnab ntim kom ncaj thaum thauj khoom, tshem tawm thiab ntim khoom.
8. Tsis txhob muab lub thawv tso ncaj.
9. Tsis txhob rub lub thawv rau hauv av lossis pob zeb
10. Yuav tsum tau muab tso rau sab nraum zoov, lub hnab ntim khoom yuav tsum muab tso rau ntawm lub txee, thiab yuav tsum tau npog nrog cov ntaub opaque nruj nreem ntim cov hnab ntim khoom.
11. Tom qab siv, qhwv lub thawv nrog daim ntawv lossis daim ntaub opaque thiab muab cia rau hauv qhov chaw muaj cua.
Ton hnab manufacturers nco ntsoov koj, tshuaj raw khoom, tshuaj raw khoom, yas raw khoom, khoom noj khoom haus additives, pub additives, metallurgical hmoov, ore hmoov, refractory cov ntaub ntawv thiab lwm yam tag nrho muaj feem xyuam rau lub ton hnab ntim kev lag luam.