TS = (
("3d print*") OR ("3d prototyping") OR ("additive fabrication") OR ("additive layer manufacturing") OR ("additive manufacturing") OR ("direct digital manufacturing") OR ("industry 4.0") OR ("layered manufacturing") OR ("rapid prototyping") OR ("vat photopolymerization") OR ("material jetting") OR ("binder jetting") OR ("powder bed fusion") OR ("material extrusion") OR ("directed energy deposition") OR ("sheet lamination") OR ("composite filament fabrication") OR ("continuous liquid interface production") OR ("direct ink writing") OR ("direct metal laser sintering") OR ("electron-beam freeform fabrication") OR ("electron-beam melting") OR ("fused deposition modeling") OR ("fused filament fabrication") OR ("laminated object manufacturing") OR ("robocasting") OR ("selective laser melting") OR ("selective laser sintering") OR ("stereolithography")
)