{HEAD ~ The apparatus} 9 further comprising {TAIL ~ a second projection} formed on the body adjacent the first projection when the cover is fitted to the body, the first and second projections being simultaneously operated with only one hand to open the cover 
comprising
{ HEAD ~ The apparatus } 9 further comprising { TAIL ~ a second projection } formed on the body adjacent the first projection when the cover is fitted to the body , the first and second projections being simultaneously operated with only one hand to open the cover
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH