Cork
Cork is a lampung which has many uses. Cork is used as a bottle cover especially alcoholic beverages such as wine. In addition, the abundant air content in the cork causes it to be used as a float in a safety jacket once in the past. In addition, the abundant air content in the cork also makes the cork as a good insulation. Thus the cork has been used as a table cover for hot and cold food, and insulation for the stone bath. Cork is also used in the construction of home walls in 4 seasons. The cork is originally from a plant, a kind of tree. At present, cork has been substantially replaced with other man-made materials such as styrofoam. However, cork is still the best material because cork is a kind of environmentally friendly material, easy to decompose, and not poisoning the environment. A scientist named Robert Hooke became the first person to describe a cell. Robert Hooke has examined the thin cork slices through a simple microscope and finds that the slice consists of the arrangement of small units.