Du thiab tsis muaj impurities, vim yog cov tsos ntawm kheej kheej hais, tsis muaj impurities; du nto, nrog txoj kev ua tiav tiav, mus txog tus qauv thoob ntiaj teb thiab domestic. Olan iav hlaws tau thiab txuas ntxiv mus muab cov iav hlaws dai sib txuas, xws li tus nqi pheej yig lossis kev ua tau zoo dua rau cov hlaws dai hlaws dai. Olan iav hlaws tseem tseem siv rau kev sib tsoo cov khoom sib tsoo uas cov hlaws dai tsis tuaj yeem lossis siv tsis tau rau ntau yam laj thawj. Peb cov kev paub ntau hauv kev sib tsoo tshuab pab peb ua kom zoo rau peb cov iav hlaws rau siv raws li kev sib tsoo hlaws. Ntxiv mus, peb siv agitator hlaws zeb sib tsoo cov hlaws dai rau hauv peb cov chaw tsim khoom thiab hauv peb lub chaw thev naus laus zis thiab yog li tuaj yeem muab peb cov qhua tuaj yeem nrog cov tswv yim thiab ua kom zoo dua lawv cov txheej txheem ntau lawm nrog cov ntsuas kom haum.

Txij li thaum tsim teeb tsa ntawm Langfang Olan iav hlaws los ntawm xyoo 2010, peb tau pom qhov tseem ceeb ntawm kev muab cov khoom lag luam zoo thiab qhov zoo tshaj plaws ua ntej muag thiab kev pab cuam tom qab muag, peb muab tag nrho cov kev pabcuam los ntawm kev tsim khoom los tshawb xyuas kev siv txij nkawm, raws li cov cuab yeej ua kom muaj zog, cov khoom lag luam zoo dua, cov nqi tsim nyog thiab cov kev pabcuam zoo meej. Peb yuav txuas ntxiv mus tsim kho, muab cov khoom lag luam zoo thiab cov kev pabcuam zoo, thiab txhawb kev koom tes ntev nrog peb cov neeg siv khoom, kev txhim kho koom ua ke thiab tsim lub neej tom ntej zoo dua.

Peb lub tuam txhab txhawb nqa lub siab ntawm "kev tsim kho tshiab, kev sib raug zoo, pab pawg ua haujlwm thiab kev sib qhia, txoj kev taug, kev ua tiav". Muab sijhawm rau peb thiab peb yuav ua pov thawj peb lub peev xwm. Nrog koj cov txiaj ntsig zoo, peb ntseeg tias peb tuaj yeem tsim lub neej tom ntej ci ntsa iab nrog koj ua ke.