Ing proses produksi PU integral kulit umpluk, ana sawetara masalah kayata: pinholes, umpluk online, bekas garing, kurang materi, lumahing ora rata, fraktur miskin, prabédan werna, alus, hard, release agen lan Paint ora semprotan uga, lsp. Kedadean fenomena, ayo dirembug ...
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