Txawm hais tias qhov dav hlau sib tsoo yog tsawg, lawv tau ntshai nrog coob tus raug mob thiab muaj qhov tsis txaus siab ua kom dim ntawm kev sib tsoo. Yog li, tsawg kawg rau koj tus kheej kev thaj yeeb nyab xeeb ntawm lub siab, nws raug nquahu kom ya nrog cov dav hlau uas muaj kev ntseeg siab tshaj.
Txhua xyoo, cov koom haum tshaj xov xwm tshaj tawm cov kev ntsuas kev nyab xeeb tshaj plaws hauv lub ntiaj teb. Thiab txawm hais tias cov qeb duas yuav hloov pauv, qee lub dav hlau uas tau nyob rau tag nrho cov npe tseem ceeb tau ob peb xyoos sib law liag tuaj yeem suav hais tias yog qhov tseem ceeb tshaj plaws.
Airline Qantas los ntawm Austria tau dhau los ua tus thawj coj ruaj khov nyob rau hauv ntau kev ntaus nqi. Rau ntau dua 60 xyoo, tsis muaj ib tus neeg tau tag sim neej rau nws cov davhlau, thiab txawm tias qhov xwm txheej ceev ntawm cov tuam txhab dav hlau no tsis tshua muaj nqi. Txog qee qhov, qhov no tuaj yeem piav qhia los ntawm kev sib txig zoo siab, tab sis feem ntau, kev nyab xeeb ntawm kev ya davhlau yog qhov txiaj ntsig ntawm cov kws tshaj lij ntawm cov kws sim thiab lwm cov neeg sawv cev ntawm cov tuam txhab.
Lub tuam txhab Finnish Finnair tseem tuaj yeem ntseeg tau thaum mus ncig. Qhov kawg tsoo nrog nws lub dav hlau tau tshwm sim hauv 60s. Finnair cov kev pabcuam kuj tseem muaj rau cov neeg Lavxias - lub tuam txhab npaj dav hlau mus rau Tebchaws Europe hla Moscow lub tshav dav hlau.
Huab cua New Zealand, New Zealand lub tebchaws cov neeg nqa khoom, kuj tau ua haujlwm zoo. Nws nqa tawm cov kev tsheb me, vim tias txoj kev yooj yim tshaj tawm hauv lub teb chaws yog dav hlau. Tib lub sijhawm, muaj tsawg kawg nkaus hauv kev kub ntxhov hauv keeb kwm ntawm lub tuam txhab New Zealand no.
Ntawm cov tuam txhab nyiaj tsawg, Air Berlin tuaj yeem sau tseg. Txawm hais tias qhov pheej yig ntawm daim pib, nws tsis txuag ntawm qhov zoo ntawm lub dav hlau thiab xaiv cov tsav. Thaum lub sijhawm tag nrho ntawm lub tuam txhab, tsis muaj neeg tuag ntawm ib qho ntawm nws txoj kev ya davhlau.
Cov neeg tsav dav hlau Lavxias kuj tseem muaj nyob hauv cov npe ntawm cov txhim khu kev qha tshaj plaws. Piv txwv li, hauv kaum sab saum toj koj tuaj yeem nrhiav Transaero. Thiab Aeroflot, uas ua rau cov neeg caij davhlau ntau tshaj plaws hauv lub tebchaws, nyuaj ua rau nws nkag mus rau cov npe ntawm 50 lub tuam txhab kev nyab xeeb tshaj plaws. Cov txheeb cais tau ploj ntawm 10 qhov xwm txheej uas tau tshwm sim rau nws cov dav hlau txij thaum 70s.
Tom qab tshuaj xyuas qhov ntsuas kev nyab xeeb, tsis txhob cais tawm qhov muaj peev xwm taug kev los ntawm kev tsav dav hlau ntawm cov tuam txhab uas tsis tau tswj kom tawg rau cov kab saum toj. Cov kev lag luam loj xws li Air France lossis British Airways qis dua ntawm qhov kev ntaus nqi, feem ntau vim yog cov dav dav dav dav, uas, raws li kev txheeb cais, suav tias muaj xwm txheej ntau dua.
