The computer 1 wherein the housing has {HEAD ~ a spherical shape}, and wherein the door has a spherical shape that coincides with {TAIL ~ the spherical shape} of the housing 
The computer 1 wherein the housing has { HEAD ~ a spherical shape } , and wherein the door has a spherical shape that coincides with { TAIL ~ the spherical shape } of the housing
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH