Question: when you purchase a kettler ergometer, you should compare different technical features.
Answer: --> When you purchase a Kettler ergometer, you should compare different technical features.

Question: 1 the whole earth was of one language and of one speech.
Answer: --> 1 The whole earth was of one language and of one speech.

Question: monthly rental with 10 m2 private terrace and air conditioning close to fira de montjuic
Answer:
--> Monthly rental with 10 m2 private terrace and air conditioning close to Fira de Montjuic