Beacon hauv tsheb
Lub teeb liab lub teeb liab yog kev sib hloov lossis ntsais teeb uas txuas rau sab saum toj ntawm lub tsheb kom kos cov xim ntawm cov tsheb nyob ib puag ncig thiab cov neeg taug kev. Cov tsheb thaum muaj xwm ceev xws li cov tsheb tua hluav taws, tsheb tos neeg mob, tub ceev xwm lub tsheb, lub tsheb loj, tsheb tsim kho thiab tsheb daus tshem cov teeb hluav taws.
Cov xim ntawm lub teeb sib txawv sib txawv ntawm cov ciaj ciam mus rau cheeb tsam; cov xim ib txwm rau tub ceev xwm, hluav taws thiab tsheb kho mob thaum muaj xwm ceev yog xiav thiab / lossis liab; amber yog qhov txaus ntshai (lub tsheb qeeb, thauj khoom dav, tsheb thauj khoom, kev tiv thaiv kev nyab xeeb, kev tsim kho tsheb, thiab lwm yam); cov kws tua hluav taws ntsuab tuaj yeem lossis cov neeg ua haujlwm kho mob, paj yeeb rau cov tsheb lim hiam. Cov beacon tuaj yeem tsim tsa siv hluav taws xob halogen zoo ib yam li pob taws taub hau, xenon nyem raj lossis LED. Cov teeb meem tsis sib thooj thiab xenon lub zog xav tau lub tsheb' s lub cav txuas ntxiv ua haujlwm kom ntseeg tau tias lub roj teeb tsis dhau thaum lub teeb siv rau lub sijhawm txuas ntxiv. Kev siv hluav taws xob tsawg ntawm LED tso cai rau lub tsheb' s lub cav kom nyob twj ywm thaum lub teeb ua haujlwm ntawm lub zog.
