Iyo inoputika miganho inotangira kubva 3.8% ku 21.0%.
Muchetura zvakanyanya, chinhu ichi chinogona kutorwa kuburikidza neganda. Iyo yakawanda inobvumirwa kuisa mumhepo ndeye 18 mg/m3.
Iyo inoputika miganho inotangira kubva 3.8% ku 21.0%.
Muchetura zvakanyanya, chinhu ichi chinogona kutorwa kuburikidza neganda. Iyo yakawanda inobvumirwa kuisa mumhepo ndeye 18 mg/m3.