Rau cov npe khoom uas xav tauxim tshwj xeeblossis ntau yam kev daws teeb meem tshwj xeeb, peb muab kev hloov kho xim tag nrho, tso cai rau kev tsim xim kom raug rau lub npe lag luam lossis tshwj xeebkhaub ncaws sib xwscov kev pab cuam. Cov kev txiav txim xim tshwj xeeb pib ntawm1500 meters ib xim, nrog lub sijhawm ua khoom ntau lawm ntawm20–35 hnubnyob ntawm seb yuav tsum tau zas xim, ua kom tiav, thiab teem sijhawm li cas. Qhov kev xaiv no zoo tagnrho rau cov neeg siv khoom uas xav tau kev sib xws, kev ua tiav zoo dua, lossis kev sib phim hom lag luam tob dua.
Nrog qhov dav ntawm57/58 nti, daim ntaub no ua kom qhov kev txiav zoo tshaj plaws, pab cov hom lag luam thiab cov chaw tsim khaub ncaws txo cov khib nyiab thiab tswj cov nqi tsim khoom. Cov ntaub ntawm cov ntaub twill kuj muab qhov zoo nkauj thaum muab lub zog thiab lub neej ntev, ua rau nws yog qhov kev xaiv zoo tshaj plaws rau kev lag luam xws li kev kho mob, kev tos txais qhua, kev hnav khaub ncaws ua lag luam, kev kawm, thiab kev hnav khaub ncaws ua haujlwm.