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| English | Arabic |
| electric line Wires conducting electric power from one location to another; also known as electric power line | خط كهربي |
| held line | خط الإطفاء النشط |
| high voltage line An electric line with a voltage on the order of thousands of volts | خط ضغط عالي |
| line inspector | مُفَتِّش الخط |
| line locater | مُحَدًد الخط |
| line source Line source means a one-dimensional source. An example of a line source is the particular emissions from a dirt road | مصدر خطي |
| manicured line | خط نظامي |
| on-line service Service providing an active connection with a communications network | خدمات الخط المباشر |
| overhead power line Suspended cables by which electrical power is distributed throughout a country | خط كهربي هوائي |
| progress line A diagrammatic presentation of observed data in the sequence of their occurrence in time, in the context of water flow | منحنى التقدم |