of your concrete wall. By Bill Leonard. You can say a great deal in favor of cement block (or, if you prefer, concrete block) building. Itâs fairly fast, reasonably easy, particularly in small projects, and incredibly cheap if you are willing to scrounge a little and salvage the block.
MGW may refer to. 1  An abbreviation for Media gateway, a translation unit between disparate telecommunications networks. 2  The IATA airport code for Morgantown Municipal Airport. 3  maximum gross weight: the abbreviation m g w appears on road signs.
1 A constant current power source is used in MMAW and TIG welding processes. 2  MMAW stands for manual metal arc welding. 3  TIG stands for tungsten inert gas welding.  A constant voltage power source is used in MIG/MAG and SUBARC welding processes.