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Ben9108 Posted 20 years ago
Grammar

grammer check

The insulated refrigerant pipes and condensate pipes are mounted on walls by suitable brackets. Those pipeworks are connected by welding and solvent welding respectively.

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Top answer

By now, you should have learned how to spell grammar properly, Ben; I feel we have failed you. The insulated refrigerant and condensate pipes are mounted on walls with suitable brackets. These pipeworks are connected by [ arc ?

— Mister Micawber

  • By now, you should have learned how to spell grammar properly, Ben; I feel we have failed you.
  • The insulated refrigerant and condensate pipes are mounted on walls with suitable brackets.
  • These pipeworks are connected by [ arc ?
  • ] welding and solvent welding respectively.
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3 Answers
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By now, you should have learned how to spell grammar properly, Ben; I feel we have failed you.

The insulated refrigerant and condensate pipes are mounted on walls with suitable brackets. These pipeworks are connected by [arc? acetylene?] welding and solvent welding respectively.
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Thanks

I am sorry about the spelling mistake.

I don't understand why "those" is incorrect in the sentence? Would you mind to explain?
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Not precisely incorrect; just not standard usage. In descriptions such as this we use the proximal demonstratives (this, these) for immediacy; it brings the pipeworks 'closer' to the reader. If the object is conceptually far away, then use that and those: We visited the Grand Canyon last week-- that was spectacular!
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