Seatbelts, Restraint Systems and Helmets — Practice Question 83
Official exam text (Italian):
Il casco conserva invariate le sue caratteristiche protettive per periodi lunghissimi, di oltre venti anni

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Seatbelts, Restraint Systems and Helmets — Practice Question 83
The helmet retains its protective characteristics unchanged for very long periods, exceeding twenty years.
کمربند ایمنی، سیستمهای مهار و کلاه ایمنی — سوال تمرینی شماره 83
غلط: «کلاه ایمنی ویژگیهای محافظتی خود را برای دورههای طولانی، بیش از بیست سال، حفظ میکند.»
أحزمة الأمان وأنظمة التثبيت والخوذات — سؤال تدريبي رقم 83
تحتفظ الخوذة بخصائصها الوقائية دون تغيير لفترات طويلة جداً، تتجاوز العشرين عاماً.
Cinture, sistemi di ritenuta e casco — Domanda di pratica 83
Il casco conserva invariate le sue caratteristiche protettive per periodi lunghissimi, di oltre venti anni