1. Cov khoom siv sab hauv tsev lossis sab nraum zoov siv nrog txoj kev tiv thaiv;
2. Sab nraum zoov kev teeb tsa yog corroded los ntawm cua, xuab zeb, nag thiab hnub, thiab lwm yam;
3. Muaj cov nplaim hluav taws kub hnyiab, tawg pa taws lossis plua plav ib puag ncig;
4. Ib puag ncig hauv av thiab qhuav tropics;
5. Qhov kub ntawm cov kav dej nruab nrab yog siab li 450 ° C lossis ntau dua;
6. Lub ambient kub yog qis dua -20 ℃;
7. Yooj yim rau dej nyab los yog raus hauv dej;
8. Muaj cov khoom siv hluav taws xob (cov khoom siv hluav taws xob nuclear thiab cov khoom siv hluav taws xob siv hluav taws xob sim) ib puag ncig;
9. Ib puag ncig ntawm lub nkoj lossis chaw nres nkoj (nrog ntsev tsuag, pwm, thiab av noo);
10. Lub sijhawm muaj kev vibration hnyav; lub sij hawm muaj hluav taws kub.
