1.Fa ink a wɔakata so yiye di dwuma, eyi ne tebea titiriw a ɛbɛma kɔla a ɛwɔ printing pattern no mu afi fading. mu no npaw ink a ɛwɔ su ho guarantee bere tenten, esiane ne nketenkete nti, ink no mu nyɛ mmerɛw sɛ wɔbɛma oxidized, a ɛbɛsɛe printing effect a ɛwɔ UV flatbed printer.
2. Fa nneɛma a wɔatintim no gu nwini mu a hann a ano yɛ den nni mu, na ama woahwɛ ahu sɛ nsusuwso no renhyia hann a ano yɛ den.
