There is really no distinguishing one from another, because they are all only qualified to do yard work. Mostly on the grounds they are too lazy or stupid to learn English, the native language of the country they are living in.
Hey we need to get our lawn mowed! We should call one of those leafblowers to do it!
Derivation: Leaf blowers blow mess out of the property into streets and lawns of other people and don't remove the mess, but just relocate it.
That leaf blower better not move their mess to my house!