1. Kev teeb tsa hauv tsev lossis kev siv sab nraum zoov nrog kev tiv thaiv kev tiv thaiv;
2. Kev teeb tsa sab nraum zoov raug cua, xuab zeb, nag, dej lwg, thiab hnub ci;
3. Ib puag ncig uas muaj hluav taws kub los yog tawg roj lossis hmoov av;
4. Cov huab cua sov thiab arid tropical ib puag ncig;
5. Cov kav dej nruab nrab kub siab tshaj 450 degree;
6. Ambient kub hauv qab -20 degree;
7. Yooj yim rau dej nyab los yog tso rau hauv dej;
8. Ib puag ncig uas muaj cov khoom siv hluav taws xob (nuclear fais fab nroj tsuag thiab cov chaw kuaj cov khoom siv hluav taws xob);
9. Ib puag ncig ntawm cov nkoj lossis hauv cov chaw nres nkoj (nrog ntsev tsuag, pwm, thiab av noo);
10. Cov chaw muaj kev vibration hnyav; qhov chaw muaj hluav taws kub.
