माखासेखौ मिथिंगायारि महराव मोननाय जायो जेरै रक फस्फेट एबा लहानि दारिमिनफोराव गोबांद्राय ( बाइप्राडक्ट ) महराव जायो जेरै बेसिक स्लेग ।
Some are either found in natural form like rock phosphate or are in iron factories in the form of extra ( by product ) like basic slag .