With increase in cost of gaseous fuels and depletion in their reserves. it has become essential to further improve the efficiency of the commercial gaseous burners which generally have low thermal efficiency and high emissions. Porous Radiant Burner (PRB) is one such emerging technology which assists lean combustion. thus yielding clean burning and improved thermal efficiency in compa... https://www.diegojavierfares.com/bargain-Merlin-the-Magical-Wizard-Boys-Costume-special-save/