1. Ib nrab folding, irretrievable kab tshwm sim.
2. Muaj cov xov hlau tawg, cov xov tooj ntawm cov xov hlau tawg yog ntau dhau thiab muaj zog heev.
3. Cov xim txawv txav, feem ntau yog tshwm sim los ntawm corrosion, xws li cov huab cua los nag, acid thiab alkali ib puag ncig cia lub sij hawm ntev dhau lawm.
4. Cov hlau yog knotted, tsim cov pob me me uas tsis tuaj yeem tsis quav ntsej thiab tseem ceeb ntawm cov mesh.
5. Lub mesh yog deformed thiab tsis xwm yeem, uas cuam tshuam rau kev pom kev ua haujlwm ntawm stainless hlau mesh.
6. Ib tug neeg warp lossis weft xov hlau yog loosened thiab hloov chaw.
7. Sundries yog woven hauv ib lub vas.
Cov saum toj no yog cov teeb meem zoo uas stainless hlau xaim mesh yog nquag, qee zaum nws nyuaj rau nrhiav tsis tau ceev faj, tab sis txhua tus txaus los cuam tshuam rau kev siv cov khoom, yog li koj yuav tsum xaiv kom zoo zoo hauv kev yuav khoom.