| http://www.w3.org/ns/prov#value | - Accordingly, a maintenance worker on the roof of the car may become entrapped between the car roof and the structure located in the top section of the hoistway.SUMMARY OF THE INVENTIONIt is therefore an object of the present invention to improve elevator systems.It is a further object of the present invention to improve the safety of elevators.A still further object of the present invention is to
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