Definitions for "HASL"
Keywords:  solder, hot, smobc, tws, knives
Hot Air Solder Leveling
hot air solder levelling
Hot Air Soldered Leveled. Hot air is used to blow off the excess after the TWS is dipped in solder. Typically used to the SMOBC process.
Historical ASL. Used to denote a module using a mapboard designed to recreate a specific battle, rather than using the generic geomorphic mapboards.