computer printers 92 3D printers 24 copying machines and equipment 17 scanners 17 tests 14 modeling 12 printing of documents 10 more ... hardware 8 software 8 print technology 8 savings 8 costs 7 firm 6 models 6 computer networks 4 three dimensional 3 computers 3 Linux 2 authorization 2 construction 2 management 2 materials 2 multimedia 2 offer 2 operating systems 2 optimization 2 machine drives 2 computer security 2 wireless computer networks 2 market research 2 less ...