Cov no yuav muaj kev cuam tshuam thaum hmo ntuj thaum lub teeb hits nws los ntawm kev siv cov khoom siv lens encapsulated uas muaj kev cuam tshuam zoo dua piv rau cov qauv engineer qib reflective paib. Cov paib no yog 3 npaug ntau dua li cov qib engineers thiab muaj lub neej ntev dua. Cov cim npe ntawm txoj kev no yog .080 nti tuab tuab aluminium nrog 3M siab siv prismatic reflective sheeting siv rau saum npoo, cov ntawv sau thiab keeb kwm yav dhau yog muaj kev cuam tshuam heev. Cov paib yuav tsis xeb thiab muaj lub neej nruab nrab ntawm 12 xyoo. Cov ntaub ntawv zoo ua rau cov paib ntev ntev thiab ua haujlwm zoo dua rau fading. Lawv ua tau raws li lub Xeev thiab Tsoom Fwv Teb Chaws cov cai tshiab rau txoj kev kos npe pom, hom IV prismatic reflective.
