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Author Question: The required thickness of a secondary barrier is: 1/32nd inch lead 1/16th inch lead 1/8th inch ... (Read 113 times)

Pineappleeh

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on: Jul 17, 2018
The required thickness of a secondary barrier is:
 
 1/32nd inch lead
  1/16th inch lead
  1/8th inch lead
  1 inch lead

Question 2

Which cranial bone(s) form the superior and lateral portion of the skull?
 
 frontal
  sphenoid
  parietal
  occipital


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Melissahxx

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Reply #1 on: Jul 17, 2018
Answer to Question 1

1/32nd inch lead

Rationale: A secondary barrier must be constructed of 1/32nd inch lead and must extend to the ceiling.

Answer to Question 2

parietal

Rationale: The parietal bones unite at midline and form the superior and lateral portions of the skull.


Pineappleeh

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Reply 2 on: Jul 17, 2018
Thanks for the timely response, appreciate it

shailee

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Reply 3 on: Yesterday
Excellent

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