It is logical to imagine a faulty tie-down leading to a crash, it
is less clear how a placard “displayed other than
horizontally”(frequency #7), or “obscured from the direction it faces”
(frequency
#12) logically leads to a crash. Yet, that is exactly what this new
HAZMAT BASIC spotlights; placarding, paperwork, and compliance.
http://blog.vigillo.com/2012/02/new-hazmat-basic-analyzed-by-vigillo/
