E hoʻonui i kou hiki ke kaha i nā metala a me nā plastic.Me ka laser MOPA, hiki iā ʻoe ke hōʻailona i nā plastics kiʻekiʻe-ka ʻokoʻa a ʻoi aku ka heluhelu ʻana i nā hopena, e kaha (anodised) alumini i ka ʻeleʻele a i ʻole e hana i nā kala reproducible ma ke kila.