ٹیلک کو باریک پیسنے کا سامان
What is talc? Talc is one kind of mineral formed by hydrothermal alteration. Magnesium-rich minerals usually become talc after hydrothermal alteration. Talc is common silicate mineral. Since talc is ultimately used in powder form, fine grinding is a necessary process […]
ٹیلک کو باریک پیسنے کا سامان مزید پڑھ "