The phrase "adding parts" is correct and usable in written English.
It can be used when referring to the process of including additional components or elements in a larger whole.
Example: "The project involves adding parts to the existing framework to enhance its functionality."
Alternatives: "incorporating components" or "including elements".
He just kept adding parts.
By adding parts from radio transmitters, he was able to make such changes audible as warbling, whistling tones.
L. 104 104 designating §§ 201 to 229 as part I and adding parts II (§ 251 et seq). and III (§ 271 et seq). to title II of the Act.
He recorded with the Jefferson Airplane and Crosby, Stills, Nash and Young; he produced the first album by the New Riders of the Purple Sage, adding parts on an instrument he was just learning, the pedal steel guitar.
And she continued to do so, mixing pigments, dissecting plants and occasionally adding parts of them to her compositions, ultimately cutting and gluing together tens of thousands of "the tiniest dots, squiggles, scoops, moons, slivers, islands and loops of brightly colored paper".
The body kit industry is currently being fueled by the so-called import tuner or sport compact crowd, made famous by the "Fast and the Furious" movies -- young people, usually, who buy cheap used Japanese cars, and increasingly, inexpensive American models -- and spruce them up by adding parts to get a distinctive look that reflects their personalities.
How much would Barcelona benefit by adding part of the Thyssen collection to its cultural offering?
Further additions were made adding part of Rumworth in 1872 and part of Halliwell in 1877.
Other ideas included a schoolwide writing program and adding part-time teachers for targeted intervention.
The TSA has required screeners to work longer hours and is adding part-time screeners at checkpoints.
Why add parts to something not broken?
