▁Types ▁include ▁eg oph ony ▁and ▁bron ch oph ony . ▁ ▁See ▁also ▁Wh is per ed ▁p ector ilo qu y ▁V ocal ▁f rem it us ▁ ▁References ▁ ▁Category : Sym pt oms ▁and ▁signs : ▁Res p ir atory ▁system ▁Category : A ud ible ▁medical ▁signs <0x0A> </s> ▁G inger ▁Krieg ▁D os ier ▁is ▁an ▁American ▁architect ▁who , ▁in ▁ 2 0 1 0 , ▁developed ▁a ▁technique ▁for ▁using ▁micro bi olog ically ▁induced ▁cal cite ▁precip itation ▁to ▁manufact ure ▁br icks ▁for ▁construction . ▁ ▁D os ier ' s ▁brick - making ▁method ▁consists ▁of ▁filling ▁a ▁rect angular ▁form ▁with ▁sand ▁layer ed ▁inter mitt ently ▁with ▁a ▁solution ▁containing ▁u rea , ▁calci um ▁ch lor ide , ▁and ▁the ▁non - path ogen ic ▁b acter ia ▁Sp or os arc ina ▁paste ur ii . ▁After ▁several ▁days , ▁the ▁b acter ia ▁create ▁a ▁chemical ▁chain ▁reaction ▁producing ▁a ▁min eral ▁that ▁bind s ▁the ▁sand ▁together ▁into ▁a ▁brick . ▁Because ▁this ▁process ▁does ▁not ▁involve ▁firing ▁the ▁brick ▁in ▁a ▁kil n ▁as ▁in ▁conventional ▁brick - making , ▁D os ier ▁estimates ▁that ▁her ▁method ▁could ▁reduce ▁carbon ▁em issions ▁by ▁ 8 0 0 ▁million ▁tons ▁each ▁year . ▁ ▁D os ier ▁is ▁the ▁winner ▁of ▁the ▁ 2 0 1 0 ▁Metropol is ▁Next ▁Generation ▁Design ▁Compet ition . ▁She ▁is ▁the ▁CE O ▁of ▁bio MA SON , ▁a