In this example from Darren Barefoot's "Hall of Technical Documentation Weirdness", the warning is clear:
WARNING
1.With appertain rotor of screw setting pre ceiling on the under standing that serew no wield. May wield two-faced, pressboard securing. wield pre to begin with wiping ceiling of bilge dasto.
Ah, this is the standard of excellence in documentation to which we should all appertain!
(Thanks, William K., for this link.)
Cubey Terra