boiler gage board

block gage (gage block) (slip gage)

double gap gage (X-gage)

non-contact gage (air gage)

X-gage (double gap gage)

board and board

board by board

board to board

board to board connector

board-to-board connector

on-board color alarm board

printed-circuit board(PCB)(PC board)

section for gangway board and diving board

absolute pressure gage

absolute vacuum gage

acceptance gage

acoustical strain gage

active [strain] gage

active[strain] gage