What are thermoplastics?
a. Polymers that are not malleable or formable in any manner
b. Polymers that soften when exposed to heat but then return to their original shape when cooled
c. Polymers that solidify or set irreversibly when they are heated
d. Polymers that spontaneously ignite
B
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The thoracic cage is comprised of the thoracic vertebrae, the costal bones, and the sternum
Indicate whether the statement is true or false
Using air management procedures during an air emergency can help increase:
A. time to refill air. B. time for escape. C. time before the point of no return. D. time to remember details of the structure's layout.
Bell's palsy is a temporary weakness or paralysis of which cranial nerve?
A) Third B) Fifth C) Seventh D) Ninth
Record retention laws vary by state, but the _________________ of the state and federal laws should be used as the rule
a. shorter b. longer c. most recent d. combination