▁Category : Environment al ▁design ▁Category : Build ing ▁materials <0x0A> </s> ▁Group ▁stage ▁ ▁Group ▁ 1 ▁ ▁Group ▁ 2 ▁ ▁Group ▁ 3 ▁ ▁Play off ▁ ▁USA ▁qual ify ▁for ▁the ▁final ▁round . ▁ ▁Group ▁ 4 ▁ ▁Final ▁round ▁ ▁References ▁▁▁ 1 9 7 2 ▁O ly ▁Category : Foot ball ▁qual ification ▁for ▁the ▁ 1 9 7 2 ▁Summer ▁Olympics <0x0A> </s> ▁The ▁Arch it on ner re ▁( Arch it ron ito ) ▁was ▁a ▁steam - power ed ▁can non , ▁a ▁description ▁of ▁which ▁is ▁found ▁in ▁the ▁papers ▁of ▁Leon ardo ▁da ▁V inci ▁d ating ▁to ▁the ▁late ▁ 1 5 th ▁century , ▁although ▁he ▁attributes ▁its ▁in vention ▁to ▁Arch im edes ▁in ▁the ▁ 3 rd ▁century ▁BC . ▁ ▁Leon ardo ' s ▁description ▁was ▁hidden ▁amongst ▁his ▁papers ▁until ▁it ▁was ▁redis cover ed ▁by ▁Ét ienne - Jean ▁Del é cl u ze ▁of ▁the ▁French ▁Institute ▁in ▁ 1 8 3 8 ▁and ▁published ▁in ▁the ▁magazine ▁L ' Art iste ▁in ▁ 1 8 4 1 , ▁well ▁after ▁the ▁modern ▁high ▁pressure ▁steam ▁engine ▁had ▁been ▁independently ▁invent ed . ▁ ▁Description ▁of ▁operation ▁The ▁following ▁is ▁the ▁most ▁likely ▁means ▁of ▁operation ▁from ▁the ▁description ▁given . ▁ ▁A ▁conventional ▁m uzz le - loading ▁can non ▁would ▁have ▁a ▁strong ▁metal ▁t ube ▁connecting ▁the ▁vent ed ▁end , ▁where ▁the ▁f use ▁would ▁normally ▁be ▁placed ,