When shutting off a torch, first close the ____________________ ...

[jace]

When shutting off a torch, first close the ___________________ _ valve, and then close the
  ___________________ _ valve.

 
  Fill in the blank(s) with the appropriate word(s).

Question 2

Evaporative heat loss is heat lost due to evaporation of water.
 
  Indicate whether the statement is true or false

[dantucker]

Answer to Question 1

ANS: acetylene, oxygen

Answer to Question 2

T

[jace]

TYSM

[marict]

Thanks for the timely response, appreciate it