The casing includes an aperture providing access to {HEAD ~ the test contact member} using {TAIL ~ a typical crocodile clip} 
using
The casing includes an aperture providing access to { HEAD ~ the test contact member } using { TAIL ~ a typical crocodile clip }
OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL