Abid, Khadija (TCC-22) creator Supervised by Lec Intisar Rizwan-i-Haque Rawalpindi MCS (NUST) June 2014 107 p.; Introduction (Page-2), Literature Review (PAge-6), Sources of Gases and Their Harmful Effects (Page-20), Work Dine (Page-41), Components (Page-57), GSM (PAge-66), Simulations and Results (Page-72), Future Work and Application (Page-78), Bibliography (Page-107). Khadija Abid, Qurat-ul-Ain, Anum Sajjad and Aiman Sultan TCC-22 UG Project TCC-22 621.382,ABI 20251217124147.0