{HEAD ~ A cartridge} that can be accurately positioned and stably held with {TAIL ~ respect} to a main body of an electrophotographic image forming apparatus without causing a deterioration in operability for mounting and detaching the cartridge from the apparatus main body even if a reduction in cost and a reduction in size of the apparatus main body are realized and an electrophotographic image forming apparatus including such cartridge 
accurately positioned with
{ HEAD ~ A cartridge } that can be accurately positioned and stably held with { TAIL ~ respect } to a main body of an electrophotographic image forming apparatus without causing a deterioration in operability for mounting and detaching the cartridge from the apparatus main body even if a reduction in cost and a reduction in size of the apparatus main body are realized and an electrophotographic image forming apparatus including such cartridge
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