البحث
إكتشاف أشخاص جدد وإنشاء اتصالات جديدة وصداقات جديدة
- أخر الأخبار
- استكشف
- الصفحات
- المجموعات
- المناسبات
- راقب
لا توجد بيانات للعرض
the process whereby a person concentrates on some features of the environment to the (relative) exclusion of others
the desired mineral that is left after impurities have been removed from mined ore
the desired mineral that is left after impurities have been removed from mined ore
the process whereby a person concentrates on some features of the environment to the (relative) exclusion of others
the process whereby a person concentrates on some features of the environment to the (relative) exclusion of others