1. Lub tog raj kheej tsav lub piston nqa tawm thiab cov khoom siv tawm. Cov kev taw qhia ntws los ntawm cov khoom yog tswj los ntawm ib-seem txoj kev, thiab cov hlab ntaws ntawm lub tog raj kheej yog tswj los ntawm lub caij nplooj ntoos hlav sib nqus hloov
2. Lub tshuab yog tsim nyog hauv tus qauv, compact hauv qhov loj me thiab yooj yim rau kev khiav lag luam
3. Sau kom muaj nuj nqis thiab txhaws tub ntxhais tuaj yeem hloov kho ntawm qhov xav tau nrog siab filling
4. Anti dripping thiab nqa cov khoom nqa yog siv rau txhaws ntsaws
