An Englishman, a Scotsman and an Irishman all attend a building site for a job.
The Englishman goes in first.........
"Can you tell me the difference betweeen a girder and a joist ?" asks the foreman.
"Er, a joist is a supporting beam and a girder.......er............erm.... is roughly the same thing........." says the Englishman.
Next is the Scot.............same question.........
"Well, a joist is a supporting beam and a girder.......er............erm.... is roughly the same thing but in metal........."
Finally, the Irishman goes in...
"Can you tell me the difference betweeen a girder and a joist ?" asks the foreman.
"Surely, I can, Sor. Girder wrote 'Faust' and joist wrote 'Ulysses'. :o)