Resistor
Head Lightbulb
Power Socket It
Firewire
Wrench Check
Magnet On
Magnet
Gas Cylinder
Pin Off
Propane Tank
Electric Switch
Thermometer Probe
Head Lightbulb Outline
Wrench Check Outline
Screwdriver
Pipe Wrench
Anvil
Fire Hydrant
Wrench
Scissors Cutting
Cigar
Thermostat Cog
Resistor Nodes
Iron
Dip Switch
Pin
Laser Pointer
