ʻO ka Coke Petroleum Semi Graphitized Low Sulphur Low Nitrogen ma ke ʻano he Carbon Raiser no ka Metallurgy

Wehewehe Pōkole:

ʻOihana Noi
Hoʻohana nui ʻia i nā hana hoʻoheheʻe kila, nā hoʻoheheʻe pololei e like me nā mea hoʻokiʻekiʻe kalapona