| Subject | English | Arabic |
| chem.fib. | sorted wool | صوف مفروز أو من الدرجة الأولى |
| environ. | waste sorting Separating waste into different materials, such as glass, metal, paper, plastic, etc. | فرز المخلفات |
| environ. | waste sorting unit Centralized recycling centres to which waste materials are brought and where they are separated | وحدة فرز المخلفات |