在线国产一区二区_成人黄色片在线观看_国产成人免费_日韩精品免费在线视频_亚洲精品美女久久_欧美一级免费在线观看

您現在的位置: Language Tips> Audio & Video> Special Speed News  
   
 





 
How to do it: Making paper by hand
[ 2009-07-07 17:23 ]

Download

Modern paper-making began in China about 2,000 years ago.

This is the VOA Special English Development Report.

The earliest process of making paper was done almost 5000 years ago in Egypt and the Nile Valley. In those days, paper was made from strips of the papyrus plant.

How to do it: Making paper by hand

Modern paper-making began in China about 2000 years ago. This process produced paper from cloth, straw, wood or the bark of trees. The raw materials are struck over and over until they become loose. Then they are mixed with water.

After the water has been removed, the flat, thin form remaining is permitted to dry. This becomes a sheet of paper.

Large machines started to be used for making paper near the end of the sixteenth century. Today, paper-making is a big business. But it is still possible to make paper by hand, since the steps are the same as using big machines.

You should choose paper with small amounts of printing. Old envelopes are good for this reason. Colored paper also can be used, as well as small amounts of newspaper. Small pieces of rags or cloth can be added. These should be cut into pieces about 5 centimeters by five centimeters.

Everything is placed in a container, covered with water and brought to a boil. It is mixed for about two hours with some common chemicals and then allowed to cool. Then it is left until most of the water dries up. The substance left, called pulp, can be stored until you are ready to make paper.

How to do it: Making paper by hand

When you are ready, the pulp is mixed with water again. Then the pulp is poured into a mold. The mold is made of small squares of wire that hold the shape and thickness of the paper. To help dry the paper, the mold lets the water flow through the small wire squares.

After several more drying steps, the paper is carefully lifted back from the mold. It is now strong enough to be touched.

The paper is smoothed and pressed to remove trapped air. You can use a common electric iron used for pressing clothes.

There are many other technologies for people making paper using small machines.

Internet users can do a search and find directions for making homemade paper. You can also order information about making paper from the group EnterpriseWorks/VITA. Its Web site is enterpriseworks.org.

And that's the VOA Special English Development Report. Transcripts, MP3s and podcasts of our reports are at voaspecialenglish.com. You can also follow us at twitter.com/voalearnenglish. I'm Steve Ember.

Related stories:

More US parents think beyond most popular names for babies

Fireworks: What is all the noise about?

Folklife Festival takes visitors to the ancient country of Wales

White firefighters win closely-watched employment case

(Source: VOA 英語點津編輯)

英語點津版權說明:凡注明來源為“英語點津:XXX(署名)”的原創作品,除與中國日報網簽署英語點津內容授權協議的網站外,其他任何網站或單位未經允許不得非法盜鏈、轉載和使用,違者必究。如需使用,請與010-84883631聯系;凡本網注明“來源:XXX(非英語點津)”的作品,均轉載自其它媒體,目的在于傳播更多信息,其他媒體如需轉載,請與稿件來源方聯系,如產生任何問題與本網無關;本網所發布的歌曲、電影片段,版權歸原作者所有,僅供學習與研究,如果侵權,請提供版權證明,以便盡快刪除。
相關文章 Related Story
 
 
 
本頻道最新推薦
 
More than 9,000 officials guilty of corruption
法國呼吁市民微笑迎游客
電擊療法 shock therapy/treatment
研究:愛情不是婚姻唯一保鮮秘訣
家中度假 staycation
翻吧推薦
 
論壇熱貼
 
英語學習,勢在必得
誠征英文翻譯十四行詩,懸賞500元
阿甘正傳經典英文語句
寫給歌德的情書
“達人”的準確翻譯是什么?

 

主站蜘蛛池模板: 成人作爱视频 | 国产精品久久久久久久久 | 一区二区三区四区视频 | 欧美午夜视频在线观看 | 久久艹视频| 色综合天天天天做夜夜夜夜做 | 国产免费无遮挡 | 成人a级网站 | 亚洲精品一区二区在线观看 | 精品久久一二三区 | 男人天堂视频网 | 国产美女在线观看精品 | 99亚洲精品 | 欧美日韩成人激情 | 国产日韩在线视频 | 中文字幕日韩欧美一区二区三区 | 国产精品久久久久久久久久久久冷 | 黄色精品一区二区 | 亚洲天堂一区二区三区 | 久久精品视频久久 | 国产精品成人久久久久 | 午夜视| 精品成人 | 欧美三级视频 | 国产精品福利一区 | 国产亚洲成av人片在线观看桃 | 国产精品国产a | 中文字幕亚洲欧美精品一区四区 | 九一亚洲精品 | 日韩欧美在 | 国产激情在线 | 大陆一级毛片免费看 | 中文字幕乱码亚洲精品一区 | 国产精品久久精品 | 精品国产一级片 | 欧美日韩视频在线观看一区 | 日本妇人成熟免费视频 | 爱爱视频在线免费观看 | 美国特级a毛片免费网站 | 国产精品美腿一区在线看 | 国产精品久久久久久久久久久久久久 |