1. what is the meaning of industrial in english?

صناعي

زراعي

تجاري

علاجي

2. what is the meaning of signals in english?

إشارات

مؤثرات

اختبارات

اختيارات

3. what is the meaning of appliances in english?

أجهزة

تطبيقات

علامات

اشارات

4. what is the meaning of dangerous in english?

خطير

سهل

بسيط

مريح

5. what is the meaning of useful in english?

مفيد

مختلف

متعلم

جاهل

6. what is the meaning of harmful in english?

ضار

مفيد

نافع

رائع