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c Read the article and answer the following
questions.
1 What are the advantages of laser cutters over
the traditional cutting methods?

2 What are the disadvantages of laser cutters?

3 Why is hand carving tradition facing
extinction?
carving to the desired materials. The advantages of a
CNC machine over hand carving technique are saving 4 Which technique did people use to shape
time and money since CNC machines can be used their pots and cups in ancient times?
24 hours continuously with the help of the design
software. The designer can simulate and see the 5 Which shaping technique is preferred for mass
output before manufacturing the product. Thus, it is production?
much more economical than hand carving.
The last production process is shaping. Pottery d The sentences below are taken from the article.
is the first sample of shaping process dating back Pay attention to the bold words and phrases. Circle
about 9,000 years. Cups, plates and pots were shaped the correct options which give the meaning of the
by handwork technique in primitive times. Roller- sentences correctly.
head machines (shaping machines for pottery) have
taken over the commercial manufacture of clay 1 CNC machines can be used 24 hours
based products since 1949. Shaping is also named continuously.
as moulding in industry, since the desired form is a There is no need to stop production.
given by injecting or pouring the molten material b CNC machines can be used for a limited
(plastic polymer granules, silicone, steel or stone) time.
into a mould. Slip casting is the latest and almost a 2 Laser cutting machines took the place of the
universally used technique for mass production. It traditional cutting machines rapidly.
ideally suits shapes that cannot be made with other a Traditional cutting machines are becoming
methods. First, liquid material is poured into a mould more and more popular.
and then, the formed object is removed from the b Laser cutting machines are now more
mould. Less time and effort is needed in slip casting popular than the traditional cutting
method. machines.
It is difficult to predict the innovations that might
occur in the future. However, it seems that the 3 Laser cutters have been widely used in textile
need for human factor in the production process is industry in recent years.
decreasing day by day. a Some of the textile companies have been
using laser cutters.
b Look at the highlighted words in the article. Find b Nearly most of the textile companies have
the synonyms of the words below. been using laser cutters.
1 deformed: 4 Laser cutters are the computer driven tools
2 changeless: that use a laser to cut a given material
3 trustable: perfectly and cleanly.
4 procedure: a Laser cutters can be used if the material is
5 unavoidable: perfect and clean.
6 produce: b Laser cutters cut the material in a perfect
7 invention: and clean way.

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