1. Txhawm rau nias cov ntiv taw ntawm khau thiab tsis txhob kho mob stroke yog li tsim tsim uas ua kom lub siab ruaj khov.
2. Aliginaliness pluaj Tenseer thiab cov kab tshwj xeeb ntawm Wiper tuaj yeem paub tseeb tias cov khau ze ntawm cov khau kawg li, yog li kev tshaj tawm txoj kev zoo nkauj.
3. Cuaj-claw sequing ntaus ntawv tau muab kom lub radian ntawm duav yog ntau nruj tiv thaiv cov khau kawg.
4. Kev siab thiab nrawm ntawm ntau cov kev ua haujlwm tuaj yeem hloov kho ib leeg zuj zus.
5. Lub puab tsaig Chuck thiab qhov loj ntawm cov khau tuaj yeem hloov kho thiab qhib. Synchronous tsis siv neeg kho tau yog qhov tseeb thiab sai.