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W beam izamu
Ibikoresho kubyo ahanini ni Q235B (S235Jr imbaraga zumusaruro zirenga 235Mpa) na Q345B (S355Jr imbaraga zumusaruro zirenze 345Mpa).
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Thrie beam guardrail
Umuzamu ugomba gukurikiza cyane cyane AASHTO M180, GB-T 31439.1-2015 na EN1317.
