전철subway; subway train; metro 지하철subway 지하철역subway station 철도rail; railroad 강철steel 강철봉steel bar 강철판steel sheet; steel plate 경전철light rail 고속철high-speed rail; high-speed train 고철scrap metal

칠판blackboard 표지판sign; notice; sign post 간판sign; signboard 게시판bulletin board; notice board 번호판number plate 벽보판poster board 빙판icy ground; frozen ground; ice 식판food tray 안내판notice board; information board 자판keyboard