A ____________________ is an organism that causes infectious disease
Fill in the blank(s) with correct word
pathogen
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The most effective and most enduring labor union of the post-Civil War period was the
A. National Labor Union. B. Knights of Labor. C. American Federation of Labor. D. United Steel Workers of America. E. Congress of Industrial Organizations.
Nuclear fusion involves fusing two hydrogen atoms to form the element helium and additional energy
Indicate whether the statement is true or false.What is the function of a purge unit?
A) A purge unit is used to purge the superheat from the condenser. B) A purge unit is used to purge the air out of the chilled water loop. C) A purge unit is used to purge the refrigeration oil out of the refrigerant. D) A purge unit will purge the air from the top of the condenser.
Sputtering or hissing of the torch is often caused by _____
a. metal debris in the heat shield b. using air that does not contain sufficient oil c. using air that does not contain sufficient moisture d. moisture entering the unit through the air line