This is by far the longest of the videos at (20:44), but also packed with the most pertinent information. It provides great background on solder, flux, wetting, and then mechanics of the iron and the joint. We do not have the student handbook that is mentioned. We suspect that you can manage without that. | This is by far the longest of the videos at (20:44), but also packed with the most pertinent information. It provides great background on solder, flux, wetting, and then mechanics of the iron and the joint. We do not have the student handbook that is mentioned. We suspect that you can manage without that. |