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によって teptong 5760x3840 px
ストック写真ID: 151963068
Soldering on circuit board with soldering iron and solder in board repairing
Desoldering from circuit board with soldering iron and solder sucker or vacuum plunger
Technician holds soldering iron and solder to do board repairing
Repair and restore PCB of a uninterruptible power supply unit, soldering of electronic components
Repair of the power board of the power supply unit in the service center
Technician repair circuit board,Use soldering equipment on circuit boards,Repair damaged boards for reuse.
Man working in electronic laboratory with chip
Electrical control devices installed in control cubicle including magnetic contactors, circuit breakers, timer relays and etc.
Control device in control cubicle focusing on DPDT dc coil miniature relays
Stencil numerical letters on the transformer's nameplate
Electrical connection from flat cable to many individual wires via interface board
Electrical connection from flat cable to many individual wires via interface boards
Three phase power connection via screw type terminals with phase (letter) marking and earthing connection
Indoor gas insulated switchgear (GIS) focusing on interlocking handle of earthing switch
Close up of electrical grounding or earthing connection in control cubicle, for safety purpose
