For executing {HEAD ~ the method} for securely creating and sending {TAIL ~ an electronic message} N, a commercially available laptop R is firstly fitted with a virtualization unit VS  
For executing { HEAD ~ the method } for securely creating and sending { TAIL ~ an electronic message } N , a commercially available laptop R is firstly fitted with a virtualization unit VS
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH