Irfan Khan

Coal is an important non-renewable source of energy and one of the most cost effective options as compared to oils and liquefied natural gas (LNG). In its natural form, it is a black colored...

Portland cement is a combination of calcium, silicon, aluminum, iron and traces of other compounds. Lime and silica, with approximately 85% of the mass, are the principal raw materials used in...

Sugar is an important ingredient of a variety of food items. It garnishes and adds flavor and taste to a cuisine. It is a white crystalline substance that is sweet, has carbohydrates and is completely...

Wheat is one of the most commonly produced and consumed cereals in the world. It has a number of health benefits which is why its demand has increased in the recent times. It provides more protein to...