Do you know the original new material of human being?

Not everyone knows the answer, which is the unweighted pottery, such as daily vessel, cutlery,art vessel,and other tools,shaped from moist clay and hardened by heat. According to the data in about 7,000years to 10,000years up till now.

People in the other ancient civilization country in the world-Ancient Egypt, could make the pottery very early.The primely pottery they made out
was also the red pottery and black pottery, which were with loosen texture, could sorb much water, so the temperature of fire was not high enought.so it will break easily.

Afterward,two Egypt tourists ignited beside the sand beach of river which contained the savageness alkaline, the high temperature of fire melted down the compound of alkali and sand, and made out the glass.

But since the temperature of fire was also not high enough,so the quality of that glass was also not so good, so it also broke easily. Just like this, the glass made out for the first time unconsciously.

In period of time before B.c., the technic of making glass came down from Egypt to Rome and Greece. The Roman made an improvement for this kind of technic, and invented the blowtorch to make out all kinds of beautiful appliances. Up till now, pottery and glass is one of the most importance materials in our daily living, industry building and science investigation.

The invention and application of stainless steel cutlery, is also the result of people's continuing pursuing the progressive of life.