This machine was fabricated in our own workshop.

operated
constructed
installed
manufactured

The correct answer is: D. manufactured.

To manufacture something is to make it by hand or by machine. In this case, the machine was made in the workshop.

The other options are:

  • A. operated – to control the working of a machine.
  • B. constructed – to build or put together something.
  • C. installed – to put something in place so that it can be used.

I hope this helps!