Associated Press Writer CAIROâEgypt displayed on Monday newly discovered tombs more than 4,000 years old and said they belonged to people who worked on the Great Pyramids of Giza, presenting the discovery as more evidence that slaves did not build the ancient monuments.
Wave soldering is used for both through-hole printed circuit assemblies, and surface mount.In the latter case, the components are glued onto the surface of a printed circuit board (PCB) by placement equipment, before being run through the molten solder wave.lux in the wave soldering process has a primary and a secondary objective. The primary objective is to clean the components that are to be soldered, principally any oxide layers that may have formed. There are two types of flux, corrosive and noncorrosive.
Intro: Electrical Soldering. Electrical Soldering is the basis of all modern electronics. Although integrated circuits can largely be manufactured without it, they could not be connected to anything else without soldering. ... Step 1: Place the Component.