💡 التكييف المركزي: ما يجب أن يعرفه كل طالب ومهندس وفني في المجال

In the world of air conditioning and refrigeration, it's not enough to know "how" a system works. You must also understand "why it works the way it does" and "how it can be improved." That's what we offer here: a deep, practical, and straightforward understanding .