Hauv kev hloov pauv ntawm kev kho hniav, ntau yam cuab yeej thiab khoom siv ua lub luag haujlwm tseem ceeb hauv kev ua kom cov txheej txheem ua tau zoo thiab ua tau zoo. Ntawm cov cuab yeej no, ua tiav kev kho hniav burs sawv tawm raws li cov cuab yeej siv tsis tau siv hauv
Kev tu cov hniav bursFirst, deg tshuaj tua kab mob los ntawm kev siv cov koob los ntawm soaking rau 30 feeb. Cov tshuaj tua kab mob yog 2% glutaraldehyde. Tom qab soaking, siv ib tug me me - taub hau txhuam hniav los ntxuav qhov textured ib feem ntawm lub burr, thiab ces yaug nrog dej huv.