I just saw a complex machine over there!
The docter equipped his arm to the machine.
"Do you have an ice-cream machine" asked Susan
The coffee was percolating in the coffee machine.
yes, but only in the past
Jenny saw a lithograph machine at the museum.
Jenny saw a lithograph machine at the museum.
my contributions affect everyone in my organization.
you're birth day today
An example of a complex is the design of a spider web.
Use a comma when you hear a pause in the sentence for a natural break, though short, between word groups within the sentence.
you use ATM in a sentence like,the ATM machine was broken so i went to the bank stuff like that to.
The correct way to use Xerox in a sentence is to use it to refer to a machine made by the Xerox corporation, or to the Corporation itself, for example:They rented a new Xerox machine from Xerox Corporation.