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Author Question: Concrete starts to harden about ____________________ minutes after it is mixed. Fill in the ... (Read 16 times)

burchfield96

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on: Jul 21, 2018
Concrete starts to harden about ___________________ _ minutes after it is mixed.
 
  Fill in the blank(s) with the appropriate word(s).

Question 2

____________________ retards heat movement.
 
  Fill in the blank(s) with the appropriate word(s).


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ong527

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Reply #1 on: Jul 21, 2018
Answer to Question 1

15
fifteen



Answer to Question 2

ANS: Insulation


burchfield96

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Reply 2 on: Jul 21, 2018
Excellent

xiazhe

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Reply 3 on: Yesterday
:D TYSM

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