Road construction. Italians are pretty much stuck doing a few jobs in this world due to their limited skills. These are stone cutting, grape stomping, and making spaghetti sauce. So the government awards Italians road construction contracts as a way to bring them into the middle class.
Anthony: Hey Pauly, you working at the gravy factory? (hand gesturing)
Pauly: Naw, I'm doin' da road thing. (more hand gesturing)
Sean: You mean Italian welfare, right?
Pauly: F*** you!! You want me to smash you wit this canoli? (lots of two hands gesturing)