và thể thao, thực vật và động vật và tình huống điển hình trong cuộc sống hàng ngày và trong nước. Hơn mặt hàng mới từ vựng đã được thêm vào liên quan đến các lĩnh vực khác nhau như chụp ảnh, | 1 group instruction using a teaching machine 2 instructor s desk with centra control unit 3 master control panel with individual diplays and cross total counters 4 student input device student response device in the hand of a student 5 study step counter progress counter 6 overhead projector 7 apparatus for producing audio visual learning programmes Um. programs 8 HI frame coding device 8 film viewer 9 memory unit storage unit HI film perforator II 14 audio coding equipment sound coding equipment 11 coding keyboard 12 two track tape recorder 13 four track tape recorder 14 recording level meter 15 PIP programmed Individual presentation system 16 AV audio visual projector for programmed instruction 17 audio cassette 18 video cassette 19 data terminal 20 telephone connection with the central data collection station 21 video telephone 22 conference circuit conference hook an. conference connection 23 camera tube switch switch for transmitting speaker s picture 24 talk button talk key speaking key 25 touch tone buttons touch tone pad 26 video telephone screen 27 Infrared transmission of television sound 28 television receiver television set. TV set 29 infrared sound transmitter 30 cordless battery powered infrared sound headphones headset 31 microfilming system diagramI 32 magnetic tape station data storage unit 33 buffer storage 34 adapter unit 35 digital control 36 camera control 37 character storage 38 analogue Mffl. analog control 39 correction adjustment of picture tube geometry 40 cathode ray lube CRT 41 optical system 42 slide transparency of a form for mixing ill images of forms 43 Hash lamp 44 universal film cassettes 45-84 demonstration and teaching equipment 45 demonstration model of a four stroke engine 46 piston 47 cylinder head 48 spark plug sparking plug 49 contact breaker 50 crankshaft with balance weights counterbalance weights co u n terba I a need c rankshaft 51 crankcase 52 inlet valve 53 exhaust valve 54 coolant bores cooling waler bores 55 .