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Author Question: Adding microscopic air bubbles to concrete is sometimes intentionally done for benefits on some ... (Read 75 times)

jazziefee

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on: Jul 24, 2018
Adding microscopic air bubbles to concrete is sometimes intentionally done for benefits on some concrete projects.
 
  Indicate whether the statement is true or false

Question 2

Given the following choices, one end or the other of a valley jack rafter connects to a ________ or a ________.
 
  A) Ridge board, top plate B) Valley rafter, ridge board
  C) Ridge board, hip rafter D) Cripple jack rafter, ridge board


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abctaiwan

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Reply #1 on: Jul 24, 2018
Answer to Question 1

TRUE

Answer to Question 2

B


jazziefee

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Reply 2 on: Jul 24, 2018
Gracias!

xiaomengxian

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Reply 3 on: Yesterday
Wow, this really help

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