Write an article with key phrases

You need to write an article: Welding machine for polypropylene pipes - which one is better to choose?

(1) At the beginning of the article, write my title (exactly as indicated, with a capital letter, without dots at the end)

(2) Below write this heading (with capital letters, without dots at the end): Choose a machine for welding polypropylene pipes

(3) Below, write a brief description of the article (1-2 meaningful promotional sentences, volume:

100-250 characters). Separate with stars - ***
! Key phrases in the description do not enter!
s***

...and then the text of the article...
! Do not write a subtitle immediately after a brief description!


Scope of text: 5700 - 8550


(4) The following key phrases should be included in the text (EXACT INTRODUCTIONS):
Welding machine for polypropylene pipes ( 1 )
Apparatus for welding polypropylene pipes (4)



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EXACT TZ in the file