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5
6
3
4
2
1
3
1
2
3.6.2 Battery pack
Charging socket
1
Power outlet
2
Carrying handle
3
3.6.3 Climber unit
Lifting frame
1
Support wheels on lifting frame
2
Main wheels
3
Automatic step edge brakes
4
Spring-loaded contacts to battery
power outlet
5
Mounting socket for handle unit
column
6