2 0 th - century ▁zo olog ists ▁Category : Pe ople ▁from ▁Emp oria , ▁Kansas ▁Category : Bel g ian ▁relief ▁in ▁World ▁War ▁I <0x0A> </s> ▁Ed ific io ▁do ▁J ornal ▁A ▁No ite ▁is ▁a ▁h ig hr ise ▁office ▁building ▁in ▁the ▁Centro ▁neighbourhood ▁of ▁Rio ▁de ▁Janeiro , ▁Brazil . ▁It ▁has ▁a ▁height ▁of ▁ ▁and ▁ 2 2 ▁flo ors ▁and ▁its ▁construction ▁was ▁completed ▁in ▁ 1 9 2 7 . ▁ ▁See ▁also ▁List ▁of ▁tall est ▁buildings ▁in ▁Brazil ▁ ▁Category : Sk ys c rap ers ▁in ▁Rio ▁de ▁Janeiro ▁( city ) ▁Category : Office ▁buildings ▁completed ▁in ▁ 1 9 2 7 ▁Category : Sk ys cra per ▁office ▁buildings ▁in ▁Brazil <0x0A> </s> ▁A ▁variety ▁of ▁processes , ▁equipment , ▁and ▁materials ▁are ▁used ▁in ▁the ▁production ▁of ▁a ▁three - dimensional ▁object ▁via ▁add itive ▁manufact uring . ▁ 3 D ▁printing ▁is ▁also ▁known ▁as ▁add itive ▁manufact uring , ▁therefore ▁the ▁numerous ▁available ▁ 3 D ▁printing ▁process ▁tend ▁to ▁be ▁add itive ▁in ▁nature ▁with ▁a ▁few ▁key ▁differences ▁in ▁the ▁techn ologies ▁and ▁the ▁materials ▁used ▁in ▁this ▁process . ▁ ▁Some ▁of ▁the ▁different ▁types ▁of ▁physical ▁transformations ▁which ▁are ▁used ▁in ▁ 3 D ▁printing ▁include ▁m elt ▁extr usion , ▁light ▁polym er ization , ▁continuous ▁liquid ▁interface ▁production ▁and ▁s inter ing . ▁ ▁Types ▁of ▁ 3 D ▁printing ▁processes ▁There ▁are ▁many ▁different ▁ 3 D