APPENDIX 3

Fig.1 BEVEL GEAR

Fig.2 HELICAL GEAR

Fig.3 CROSSED HELICAL GEAR

Fig.4 SPIRAL BEVEL GEAR

Fig.5 SPUR GEAR

Fig.6 WORM GEAR

Fig.7 Cranes

Fig.8 Crane

Fig.9 Elevator

Fig.10 ELEVATORS

Fig.11 Escalator

Fig.12 Escalator

Fig.13 self-tailing winch

Fig.14 Anchor winch

Fig.15 chain winch

Fig.16 hoist