Exercise 9. Составьте предложения из слов 1) Of/nowadays/is/welding/application/decreasing/techniques
2) In/a/one/the/electrode/welding/first/was/used/covered
3) Processes/are/all/similar/welding
4) To/be/welding/all/heated/processes/workpieces/require
5) Weld/there/ways/are/many/and/a/to/make/of/welds/different/kinds