1. Nws tuaj yeem ruaj khov nrog cov ntaub. Tom qab kev sib raug zoo, nws xav tias mos thiab tag nrho ntawm ncaj thiab resilience.
2. Qhov ntsuas kub ntawm kev sib txuas yog qis thiab qhov shrinkage tuaj yeem ua haujlwm nrog cov ntaub.
3. Thaum lub sij hawm txiav, lub interlining yuav tsum tsis txhob ua rau ib leeg thiab cov txiab txiav.
4. Nws tsis ua puas rau lub cev ntawm cov khaub ncaws, xws li huab cua permeability thiab kub permeability.
