Cast Iron: An Invention of Ancient China. By Karin Alsop, Claire Deng, & Karen Kwan. A drawing of an early blast furnace. inventor unknown. earliest cast iron artifact found in Jiangsu. Mass-production began in the Han dynasty. At the time of its invention, cast iron had many uses. Since the discovery of steel, iron (both cast and wrought) has become less common, as steel is generally stronger. Cast iron is still used in buildings, although they are usually older or decorative ones.
Asafoetida /aesÉËfÉtÉ¨dÉ/ Ã¦sÉËfÉtÉ¨dÉ is the dried (latex gum) oleoresin exuded from the rhizome or tap root of several species Of, ferula a perennial herb that grows 1 to.1 5 (m.3 3 to.4 9) ft. Tall the species is native to the deserts Of, iran mountains Of, afghanistan and is mainly cultivated in Nearby. india Asafoetida reduces the growth of indigenous microflora in the gut, reducing flatulence. 2  In the Jammu region of India, asafoetida is used as a medicine for flatulence and constipation by 60% of locals.
1 In the Jammu region of India, asafoetida is used as a medicine for flatulence and constipation by 60% of locals. 2  A digestion aid. 3  In Thailand and India, it is used to aid digestion and is smeared on the abdomen in an alcohol or water tincture known as mahahing.oday, the most commonly available form is compounded asafoetida, a fine powder containing 30% asafoetida resin, along with rice flour and gum arabic. Ferula assafoetida is a monoecious, herbaceous, perennial plant of the family Apiaceae. It grows to 2 m (6.6 ft) high, with a circular mass of 30â40 cm (12â16 in) leaves.