Y kem lus tseem hu ua "lub laj kab laj laj laj lub tshav dav hlau, lub laj kab", vim nws siv hom V bracket rau saum; nyob rau xyoo tas los no, feem ntau hauv airports, lub tsev loj cuj, cov tub rog, thiab lwm yam, yuav tsum txhim kho kev tiv thaiv, yuav muab ntxiv rau hauv lub mesh siv zog txuas cov hlau thiab kev ruaj ntseg txuas, V hom bracket yog muab tso riam phom saum toj kawg nkaus, kev tsim hluav taws xob xaim hluav taws xob tuaj yeem tiv thaiv cov neeg ua txhaum kuj nce mus, hluav taws xob tiv kev ua tau zoo zog, tab sis thov ua hluav taws xob kom txhob raug xwm txheej.
Cov khoom siv ntawm Y kem kab laj kab yog tsawg dua cov hlau xaim, thiab txoj kab uas hla ntawm lub xaim tau mus txog 5 hli. Qhov kev tiv thaiv kev tiv thaiv yog qhov zoo tshaj plaws ntawm txhua yam, thiab lub mesh yog 50mmX100mm. Yog tsis muaj txoj kev rau cov neeg nce. Thiab sab yog Y hom kem, cov yeeb nkab yog tuab heev, nws yog ib qho nyuaj ua kom puas.
Y kem kab khoom kom zoo dua:
1. qhov zoo tshaj plaws kev tiv thaiv tsis poob nws qhov kev zoo nkauj
2.20 xyoo ntawm lub neej, txawm ntev dua
3. Kev tsim kho yog ib qho yooj yim thiab ceev, txuas rau sab ncej nrog tus phaw
