Enwere ike itinye laser ngwa ngwa na ịkpụ, mkpọpu na trenching maka ngwa anya tumadi gụnyere ihe inorganic transperent na kenkuwa dị ka mkpuchi mkpuchi mkpuchi, mkpuchi kristal anya, anya anya sapphire, nzacha igwefoto, na prisms kristal anya.Ọ nwere obere chipping, ...
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