21. Such bombs, made using soldering irons and other electrical equipment, were detonated in the jungle, he said. 22. It requires using as soldering iron which is not something for the inexperienced to play around with. 23. Excess solder and unconsumed flux and residue is sometimes wiped from the soldering iron tip between joints. 24. Soldering irons have a variety of tips.25. :My soldering irons always had wires inside them that were protected from the heat of the iron. 26. Many simple devices ( upgrades ) were invented to connect to the Pentagon with a soldering iron . 27. Others wield soldering irons and circuit boards, configuring the electronics that make the trains run on time. 28. Maybe it's been a while since you licked that soldering iron , or aimed a blowtorch down your throat. 29. If using a lighter or soldering iron , put a clip-on heat sink ( soldering kits usually have them. 30. :: Some low wattage soldering irons have mains voltage flowing through an insulated resistance wire in the tip.
