⑴. Penampilan caps botol: molding pinuh, struktur lengkep, euweuh shrinkage atra, gelembung, burrs, defects, warna seragam, sarta euweuh ruksakna ring anti maling sasak nyambungkeun. Pad jero kudu datar, tanpa eccentricity, karuksakan, najis, mudal na warping; ⑵. Torsi bubuka: ...
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