Amakhemikhali namapoliplastiki, amakhemikhali asetshenziswa ekhaya, izinamathelisi
Ukusebenza ngamakhemikhali nama-poliplasti Kwakuke kwakucatshangwa ukuthi ikhemistri »iwumlingo omnyama«, kanti namuhla sihlangana nayo kuzo zonke izinyathelo, kuhlanganise nasekhaya. Siyazi ukuthi nge-»Crnim bikom« noma ezinye izihlanzi singageza izingubo kalula. Abaningi bayazi ukuthi i-tetraethyllead yandisa…
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