said cover member including {TAIL ~ a recessed portion} enabling {HEAD ~ the cover member} to be manually moved to said first position 
said cover member including { TAIL ~ a recessed portion } enabling { HEAD ~ the cover member } to be manually moved to said first position
OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH