A good general rule about hearing protection is that it should be ...

[lilldybug07]

A good general rule about hearing protection is that it should be used if you must raise your voice for
  someone to hear you when they are _____.
 
  a. 2 feet (61 cm) away
  b. 3 feet (91 cm) away
  c. 5 feet (1.5 m) away
  d. 8 feet (2.4 m) away

Question 2

Hard hats should be made of fiberglass or _____.
 
  a. metal
  b. reinforced plastic
  c. styrofoam
  d. rubber

[kthug]

Answer to Question 1

a

Answer to Question 2

b

[lilldybug07]

Thanks

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