Fuel Consumption and Environmental Care — Practice Question 49
Official exam text (Italian):
Per diminuire l'inquinamento dell'aria provocato dai veicoli con motore a scoppio, bisogna sostituire la marmitta catalitica quando la stessa è deteriorata o esausta

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Fuel Consumption and Environmental Care — Practice Question 49
To reduce air pollution caused by internal combustion engine vehicles, the catalytic converter must be replaced when it is deteriorated or exhausted.
مصرف سوخت و حفاظت از محیط زیست — سوال تمرینی شماره 49
صحیح: «برای کاهش آلودگی هوا ناشی از وسایل نقلیه با موتور احتراقی، باید کاتالیزور را در صورت فرسودگی یا اتمام عمر آن تعویض کرد.»
استهلاك الوقود والحفاظ على البيئة — سؤال تدريبي رقم 49
لتقليل تلوث الهواء الناتج عن المركبات ذات محركات الاحتراق الداخلي، يجب استبدال المحول الحفزي عندما يصبح تالفاً أو متهالكاً
Limitazione dei consumi e rispetto dell’ambiente — Domanda di pratica 49
Per diminuire l'inquinamento dell'aria provocato dai veicoli con motore a scoppio, bisogna sostituire la marmitta catalitica quando la stessa è deteriorata o esausta