Ubufakazi bokuqhuma kwe-Shenhai
Uxoxa ngokukhiqizwa, izicelo, kanye nemithelela yezempilo kanye nezemvelo ye-coal tal.
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- 2023-12-09 Iyini Iphuzu Elikhanyayo Lethayela Lamalahle
- 2023-12-09 Izimbangela Zomdlavuza Obangelwa Ithayela Lamalahle
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- 2023-12-09 I-Temperature ye-Coal Tar Autoignition