
1) Bulky old PC screens 2) Bulky PC screens 3) Components of some pcs 4) Computer displays 5) Computer screens, initially 6) Constant returns to scale 7) Desktop displays, often 8) Display monitors 9) Displays for early Apples 10) Displays for old TVs 11) Early PC screens 12) Flat-screen predecessors
Found on
https://www.crosswordclues.com/clue/crts

CRTS - Certified Relocation and Transition Specialists in the United States are third party certified providers who assist older adults and their families through often stressful transitions, such as moving to a senior living community or modifying a home to age in place. The CRTS designation is awarded to individuals in the unregulated Senior Mov...
Found on
http://en.wikipedia.org/wiki/CRTS

Constant returns to scale
Found on
http://www-personal.umich.edu/~alandear/glossary/c.html

Continuously Regenerating Trap System
Found on
http://www3.sympatico.ca/dhaughey/j1930.htm
No exact match found.