grooved
131Van de Graaff (crater) — lunar crater data caption=Oblique view of Van de Graaff from Apollo 17. NASA photo. latitude=27.4 N or S=S longitude=172.2 E or W=W diameter=233 km depth=4.0 km colong=173 eponym=Robert J. Van de GraaffVan de Graaff is an unusual lunar formation… …
132Depanel — 4 PCB Panel Depaneling is a process step in high volume electronics assembly production. In order to increase the throughput of printed circuit board (PCB) manufacturing and surface mount (SMT) lines, PCBs are often designed so that they consist… …
