1Abdukakhorov Bahodir, 2Khoshimov Diyorbek and 3Oshepkova Elvira 2021. DETERMINATION OF THE AMOUNT OF WORKING GAS IN THE APARTMENT USING THE GAS ANALYZER SENSOR MQ-2. International Engineering Journal For Research & Development. 6, 3 (May 2021), 3. DOI:https://doi.org/10.17605/OSF.IO/ZRTWY.