We Need Roof-Crush Ratings for Heavy-Duty Trucks - PickupTrucks .Sep 23, 2016 . The IIHS roof-crush rating for the 2016 Ford F-150 SuperCrew is . strength-to-weight ratios and forces for direct head-to-head segment comparisons. . And note also that the structural design, discounting the materials, are .. aforementioned fasteners are zinc-coated (for corrosion resistance) steel pieces.crushing segment with fastening material,Construction Focus Four: Struck‐By Hazards - OSHAsegments on each of the Focus Four Hazards: Falls, Caught-In or -Between, Struck-By and Electrocution. Because most . Electronic Library of Construction Occupational Safety & Health materials, Struck-by Hazards - developed .. injury is created more as a result of crushing injuries .. to the force behind the fastener.
crushing segment with fastening material