Fabrication, in its various meanings, can be needed or utilized by different groups or for different purposes:

1. Manufacturing and Engineering Industries: Fabrication is essential in manufacturing industries where metal structures, components, or machinery need to be created. This includes sectors such as automotive, aerospace, construction, and electronics.

2. Inventors and Innovators: Individuals or teams developing new products or technologies often engage in fabrication to prototype and bring their ideas into physical reality.

3. Artists and Designers: Fabrication techniques are used in creating artworks, sculptures, and installations, where materials are manipulated and assembled to achieve artistic expression.

4. Researchers and Scientists: Fabrication is crucial in scientific research, particularly in fields like materials science, nanotechnology, and biotechnology, where specialized equipment or structures need to be fabricated for experiments or applications.

5. Deception or Misinformation Campaigns: Unfortunately, fabrication is also employed by those seeking to deceive or mislead others, whether for personal gain, political motives, or other reasons.

In essence, fabrication is a versatile concept that finds applications in both constructive and deceptive contexts, depending on the intent and purpose of those involved.