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Fig. 26. Carrier for aerial rope haulage system. 
to the crusher room at the other end of the track, where the 
car is automatically dumped. Gravity then returns it to the 
shaft, where, being freed from the truck by the trip, it is low- 
ered to the foot of the shaft. The whole operation is automatic, 
with the exception of the winding, and the work is very 
smooth. 
This system is, as is evident, a simple engine plane. 
Occasionally a bucket is substituted for the car, which is 
especially necessary in small shafts. 
