soldering gun
Electric tool that is more powerful than a soldering iron; it uses finishing metal with a low melting point, such as lead, to join parts.
cord sleeve 
Protective casing around the cable to lessen twisting and prevent wear.
housing 
Case enclosing and protecting the device’s mechanism.
pistol grip handle 
Part shaped like a pistol grip so the wrist remains straight while holding the tool.
on-off switch 
heating element 
Electrical resistor that quickly heats the tip.
tip 
Metal part forming the end of the gun, used to heat a solder.
solder 
Metal wire that, by fusing over a joint, joins two parts.
soldering iron 
Electric tool with a tip for heating a solder, used to join parts that can take only weak mechanical pressure.