1. metal ore is ore that is heat resistant and tough as a great power to melt and there is opacity: tin ore. Aluminium, magnesium, iron, manganese, copper, lead, gold, silver, wunfraem.
1. Metals is a mineral that is tough. A heat-resistant Electricity has good melt And opaque include tin, copper, lead, iron, manganese, magnesium, aluminum, gold, silver, tungsten.
1. "Metal mineral with toughness. A heat resistant and electrical fuse well, and ความทึบแสง include tin ore, iron, manganese Copper, lead, aluminum, magnesium, gold, silver, wolfram.