Words similar to add-on

Example sentences for: add-on

How can you use “add-on” in a sentence? Here are some example sentences to help you improve your vocabulary:

1.01 lb/MWh (42 ppm at 15 percent oxygen), if the unit is a simplecycle combustion turbine; is not a simple cycle combustion turbine and is not dual-fuel capable; or is not a simple cycle combustion turbine, is dual-fuel capable, and does not use add-on controls.
The savings come from the opportunity to make cost-effective plant investment and retirement decisions with full knowledge of upcoming SO2, NOx and mercury requirements, rather than investing in "add-on" control equipment to meet the requirements of each regulation.
Currently, TEAJF manages funds from the Interest on Lawyers' Trust Accounts (IOLTA) Program; Basic Civil Legal Services (BCLS), a court filing fee add-on; and the Crime Victims Civil Legal Services (CVCLS) Program.
But does the new network add-on violate the old principle?
Most of the "size" of the Windows basic installation software are details for add-on services to the OS, many of which go unused.