Gold Mine!

I found all of these in a single book:

"Use try cocks if available."

"Leaking Tubes"

"...the straightway tapping of the Y or tee."

"Following a cold start, sweating may occur."

"float bowl"

"Inspection For Foreign Objects"

"Manholes And Other Openings"

"Use Of Flashlight For Internal Inspection."

"Check orifice before filling."

"mechanical stoker"

"torching"

"coke breeze"

"moisture loss"

"mudleg"

"nipple, push"

"Circulating Pump"

"Wet-Back Top, Oiled"

"Locomotive Firebox Boiler"

"Reset the firing cock."

"rotating hollow main shaft"

"rear bearing"

"Alternate Arrangement With Diaphragm Expansion"

"Venturi tube"

"Perform routine inspections to maintain desired level of cleanliness."

"blowoff, drain"

"connecting rod"

"log retention"

"blower"

"Drain the system in a manner and to a location that it can be discharged with safety."

"Position Of Hands On Combination Gage"

"lap joints"

"...creating a blowpipe effect."

"Backwashing may be done frequently."

"Flame Rod Type With Standing Pilot"

"Turn off the main gas cock..."

"...to hold material or other members rigidly in position."

"The valve will close tightly after popping."

"Bulging, Blistering, And Leaks"

"Optional Mounting"

"The ends of all nipples shall be reamed."