Рет қаралды 149,972
What is BA Set?..Scope of BA set in Fire Services. Atmospheric type...Self contain type..Close circuit BA Set ..Open Circuit BA Set, BA Cylinder IS 3933, Various Capacity of BA Cylinders in water, Air refilling & full air by volume, Air composition in atmosphere, inhalation & exhalation, IS 10245 Part 1, Pt 2, Pt3 & Pt4, open circuit, Backplate with respiratory System, Facemask.