Replacement Of Broken Glass In The Building Of The Coal Ignition System Of The 5Th Line At Elevation +1.500M, +4.800M Of The Roasting Shop-2. Letter A 106/Replacement Of Broken Glass In The Building Of The Coal Ignition System Of The 5Th Line At A Distance Of+1,500M,+4,800 M Of The Roasting Shop-2. Liter A 106 (Carcement)