Ethical approval had not been obtained for that use of the spray gun, they said.

BBC: Patient death caused by 'unapproved' medical technique

An inquest in March 2011 heard he had adapted a spray gun to close the wound in Mr Belcuore's knee.

BBC: England

He died in an operation in 2009 when a surgeon in Shropshire adapted a spray gun to close the wound in his knee.

BBC: Patient death caused by 'unapproved' medical technique

But if you heat up the alloy until it liquefies--Branagan's powder must be heated to 1, 200 degrees Celsius and applied with a thermal spray gun--it turns into an ashy powder as it cools, a metallic glass with "frustrated" molecules, as Branagan calls them, anxious to form a lattice, but confined by their inability to move.

FORBES: Magazine Article

BAGA, Nigeria (AP) Fighting between Nigeria's military and Islamic extremists killed at least 185 people in a fishing community in the nation's far northeast, officials said Sunday, an attack that saw insurgents fire rocket-propelled grenades and soldiers spray machine-gun fire into neighborhoods filled with civilians.

NPR: Officials: At Least 185 Killed In Nigeria Attack

How about a WD-40 grease gun, or paraffin lube stick for windows, or lithium spray grease or two-stroke oil for your chain saw?

FORBES: Johnny One-note