Woodblock printing was already a widely used technique in the Tang Dynasty. However, this kind of printing tech was expensive and time-consuming. Until the Song Dynasty (960-1279), a man named Bi Sheng (990â1051) invented movable type printing, making it quicker and easier.
Asafoetida has been used as a medicinal herb for many decades, with some people choosing to make a tea from it in order to drink it plain. Despite its pungent aroma, it is known to alleviate stomach ailments, cold symptoms, anxiety issues, chronic fatigue, yeast infections, and painful gas and flatulence.
Uses of This Medicine. Metronidazole is used to treat bacterial infections in different areas of the body. The extended-release tablets are used to treat women with vaginal infections (bacterial vaginosis). Metronidazole belongs to the class of medicines known as antibiotics.It works by killing bacteria or preventing their growth. However, this medicine will not work for colds, flu, or other virus infections.he extended-release tablets are used to treat women with vaginal infections (bacterial vaginosis). Metronidazole belongs to the class of medicines known as antibiotics. It works by killing bacteria or preventing their growth.