To be fair, a month isn't really enough time to get to know four different machines.
Over the years gas was used in many different machines, so the technology improved also.
It is even possible for the two processes to be running on different machines.
And how do we hook all these different machines together so that they can share information?
Every word was being recorded on four different machines across the street.
During this time he had the chance to ride many different machines.
Starting in v1.000, the game had 17 different machines for use.
I have three different machines running 3.6 and 4.0 beta.
And suddenly your system looks like a very different machine than it did before.
If you're just using a different machine but basically doing the same thing, do you need to tell people then?