A kewaye da drop alama ya kamata ya zama madaidaiciya, ya kamata ba a bayyana burrs da hakora da kuma waveform, gaba ya kamata ya zama madaidaiciya da kuma m.

Lines na iyaka ya kamata su kasance daidai, daidai, kuma ba ya kamata a karya da karya.

Rubutu, alamun girma da kuma layi thickness ya kamata da kyau m, tsara daidai, bai kamata yanke da kuma m.

Ya kamata a farfajiyar ba tare da fashewa da kuma bayyane scratches filament da kuma tasiri da su bayyane rust, spots, inuwa.

A rufi rufi ya kamata ba tare da iska ramuka, kumfa, foggy, stains, wrinkles, stripping alamu da bayyananne granules ƙazantuwa.

Alamar drop ba ya kamata ya bayyana wrinkles, wrinkles, self-rolling, tsaye da kuma binder leakage.