1. Cov phau ntawv xoob-nplooj yog tsau nrog cov ntawv khi, uas ruaj khov thiab txhim khu kev qha, tuaj yeem tig thiab kaw dua. Cov phau ntawv xoob-nplooj ntawv feem ntau yog khi los yog kab-kho cov phau ntawv, uas yuav poob tawm tom qab ntau flips.
2. Cov phau ntawv xoob-nplooj tuaj yeem rhuav ib nplooj ntawv ib txwm, thaum cov phau ntawv zoo tib yam tuaj yeem rhuav tshem cov qauv thiab siv tag nrho phau ntawv tom qab rhuav tshem ib nplooj ntawv.
3. Cov phau ntawv xoob-nplooj yog hloov tau yooj yim siv, thiab tuaj yeem tshem tawm, hloov, thiab sib txuas cov ntawv ntawm lub siab nyiam kom ua tau raws li tus neeg siv khoom nyiam nyiam, thaum cov phau ntawv zoo tib yam tsis tuaj yeem hloov daim ntawv.