Transcript of Cast Iron: An Invention of Ancient China. 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.
Asafoetida is a plant. It has a bad smell and tastes bitter. That probably explains why it is sometimes called âdevilâs dung.â. People use asafoetida resin, a gum-like material, as medicine. Asafoetida resin is produced by solidifying juice that comes out of cuts made in the plantâs living roots. Asafoetida is used for breathing problems including ongoing (chronic) bronchitis, H1N1 swine flu, and asthma.
What is this medication used for : Silver Sulfadiazine, a sulfa drug, is used to prevent and treat infections of second and third degree burns.This medication is sometimes prescribed for other uses. Check with the prescriber or a pharmacist.arious. What is this medication used for : Silver Sulfadiazine, a sulfa drug, is used to prevent and treat infections of second and third degree burns. This medication is sometimes prescribed for other uses.