Tsis yog txhua tus dev tuaj yeem muab tso rau hauv dab tshos thiab hlua khi txaus siab. Ntau tus dev yog "dub ruam li dev" tom qab hnav dab tshos thiab hlua khi rau thawj zaug, thiab tsis xav taug kev. Yog li ntawd, cov menyuam dev tuaj yeem pib tiv tauj thiab tau siv rau qhov muaj nyob ntawm txoj hlua khi thiab dab tshos ntawm li 4 lossis 5 lub hlis, ua ntej lawv muaj tag nrho cov tshuaj tiv thaiv.
