Painting

Paint sprayer (hplv) high pressure low volume

Coat with WD40 when done (to protect nozzle)
Use break cleaner to remove protective coat before use

Make a sprayer stand

Blue windshield washer fluid can be used as a thinner (better than water)

sprayers have
  pain flow control
  fan/spray pattern control
  air pressure control  (consider a guage/meter inline with the air supply hose)

50psi