▁Missouri ▁Route ▁ 9 4 ▁on ▁the ▁north ▁edge ▁of ▁the ▁Missouri ▁River ▁valley . ▁Jefferson ▁City ▁is ▁six ▁miles ▁to ▁the ▁west . ▁The ▁K aty ▁Tra il ▁passes ▁through ▁W ain w right ▁at ▁mile ▁ 1 3 7 . 6 . ▁ ▁History ▁A ▁post ▁office ▁called ▁W ain w right ▁was ▁established ▁in ▁ 1 8 9 3 , ▁and ▁remained ▁in ▁operation ▁until ▁ 1 9 5 3 . ▁The ▁community ▁was ▁named ▁after ▁a ▁St . ▁Louis ▁entrepr ene ur . ▁ ▁References ▁ ▁Category : Un in cor por ated ▁communities ▁in ▁Cal la way ▁County , ▁Missouri ▁Category : Un in cor por ated ▁communities ▁in ▁Missouri <0x0A> </s> ▁Ple uro des is ▁is ▁a ▁medical ▁procedure ▁in ▁which ▁the ▁ple ural ▁space ▁is ▁artificial ly ▁ob liter ated . ▁It ▁involves ▁the ▁ad hes ion ▁of ▁the ▁two ▁ple ura e . ▁ ▁Us es ▁ ▁Ple uro des is ▁is ▁performed ▁to ▁prevent ▁rec urrence ▁of ▁p neum oth or ax ▁or ▁rec urrent ▁ple ural ▁eff usion . ▁It ▁can ▁be ▁done ▁chem ically ▁or ▁surg ically . ▁It ▁is ▁generally ▁avoided ▁in ▁patients ▁with ▁c yst ic ▁fib ros is , ▁if ▁possible , ▁because ▁lung ▁trans plant ation ▁becomes ▁more ▁difficult ▁following ▁this ▁procedure . ▁Pre vious ▁p neum oth or ax ▁with ▁or ▁without ▁ple uro des is ▁is ▁not ▁a ▁contra ind ic ation ▁to ▁subsequent ▁lung ▁trans plant ation . ▁ ▁Chem ical ▁ ▁Chem ical s