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81
Ø The back of the object must be accessible if 100% penetration is
necessary.
Ø The welding equipment should preferably be stationary.
Vocabulary
abutment торец; упор; опора,
backing опора
degreasing обезжиривание
magnetic blowing магнитное срывание дуги
8 Use the words and phrases from the list below to fill in the blanks in
the sentences.
Rotating bodies, manual welding, sponsorship project, necessary expertise,
in collaboration with, frictional heat, without any negative observations,
build up data bank, sufficiently high temperature, environmentally-
compatible.
1. … is being replaced by automatic and semi-automatic types of welding in
many applications.
2. They could buy the new equipment only thanks to a successfully realized
… .
3. … are necessary elements of friction stir welding.
4. The new project was realized … foreign partners.
5. In order for the weld to be formed … in the welding area should be
provided.
6. After the thorough repairs the equipment had been running for 2 years … .
7. The quality control supervisors had to carry out … before putting the
welding machine into operation.
8. The experience the engineers had in welding such structures helped them
… necessary for further development of the product.
9. … resulting from rotating bodies coming into direct contact can be
removed by special coolers.
10. This new welding machine is both operator friendly and … .
Writing
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