crude mineral oil वाक्य
"crude mineral oil" हिंदी में crude mineral oil in a sentenceउदाहरण वाक्य
- The first description of a simple lamp using crude mineral oil was provided by al-Razi ( Rhazes ) in 9th century Baghdad, who referred to it as the " naffatah " in his " Kitab al-Asrar " ( " Book of Secrets " ).