Iibholithi zichazwe kwi-ANSI B1.13M kwiimodareli zeBanga lesi-6 g. Izinto zebholithi zihambelana ne-ASTM F568M kwiKlasi 4.6. Izinto zeebholithi ezimelana nokugqwala zihambelana ne-ASTM F 568M kwiKlasi 8.83. Unyango lomphezulu kufuneka lulandele i-AASHTO M232.
Ubungakanani obuqhelekileyo bomatshini wokuhlamba yi-76*44*4mm, kwaye singalandela imizobo evela kumthengi.
Kwisixhobo sokubonisa umbala, umbala uhlala umhlophe, ubomvu, nomthubi, ungazixuba wedwa.
Iibholiti kunye neenati zenzelwe ukubopha i-guardrail, i-post, kunye ne-spacer zibe yinxalenye enye.
Isixhobo sokubonisa ukukhanya sinokubonakalisa ukukhanya ngelixa abantu beqhuba imoto ebusuku, ngaloo ndlela ungafumana lula umphetho wendlela yokukhusela. Singayinciphisa ingozi eyenzekileyo.
Umqadi wentengiselwano uqinisiwe phakathi komqadi we-w kunye nemiqadi emithathu.