The levels of ETS in a room depend on the air exchange rate
Fits John Deere Construction & Industrial Equipment 70, 290, 300B, 301A, 302A, 310A, 310B, 315CH, 344E, 344G, 350B, 350D, 355D, 401B, 401C, 401D, 440, 440A, 440B, 440C, 444, 444C, 444D, 444E, 444G, 450, 450B, 450D, 455D, 490, 493, 495, 500A, 500B, 500C, 540, 540A, 540B, 544, 544A, 544B, 544D, 544E, 550, 550A, 555, 555A, 570, 570A, 590D, 595, 595D, 600, 640, 644, 644A, 644B, 644C, 644D, 655, 655B, 670, 670A, 670B, 672, 672B, 690C, 690D, 690DR, 690ELC, 693, 700, 740, 740A, 743, 743A, 750, 750B, 755, 755A, 755B, 760, 760A, 762A, 770, 770A, 772, 772A, 790, 790D, 790ELC, 792, 793, 800, 844, 850, 850B, 855, 860, 862, 892, 992, 2054, 2454, 2554, 2954, 3554, 3754
The cigarettes burning temperature and heat output, surface contact, thickness and properties of the tobacco ash, air flow, properties of the substrate material, and formation and transfer of volatile species are some of the factors that may influence the ignitability (Babrauskas & Peacock 1992)
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