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304 316 ipayipi lensimbi engenamthungo
Ipayipi lensimbi liyisilinda sensimbi esiyisiyingi esiyisiyingi noma se-polygonal cross-section. Imvamisa isetshenziswa ekwakhiweni, ekwakhiweni kwemishini, embonini ye-petrochemical neminye imikhakha.
Ipayipi lensimbi liyisilinda sensimbi esiyisiyingi esiyisiyingi noma se-polygonal cross-section. Imvamisa isetshenziswa ekwakhiweni, ekwakhiweni kwemishini, embonini ye-petrochemical neminye imikhakha.
