Guess the word by the explanation of its meaning. l) a device used in navigation that keeps steady because of a heavywheel spinning inside it2) a period of hundred years3) someone who travels by public transport4) done in a short time5) a large vehicle for carrying passengers, powered by petrol6) the parallel metal lines that trains travel on7) a place where planes land and take off8) the last part of something9) a period of ten years10) something invented​