1. An Angioplasty is a procedure that opens or unblocks an affected blood vessel to improve blood flow

2. The Abort() function first unblocks the SIGABRT signal, and then raises that signal for the calling process (as though raise(3) was called)

3. Motul EZ Lube lubricates all mechanisms; brake levers, cables, pins and rods; clutches; shock absorbers; rubber seals that have become dried out; and it unblocks oxidised mechanical systems ( nuts, locks, etc. ).