| Subject | English | Arabic |
| railw., sec.sys. | approach locking | تقفيل المقاربة |
| railw., sec.sys. | approach locking section | قسم تقفيل المقاربة |
| comp., MS | CAPS LOCK key | مفتاح Caps Lock (A toggle key that, when on, shifts the alphabetic characters on the keyboard to uppercase) |
| PSP | circuit-breaker with lock-out preventing closing | قاطع دارة ذو قفل لمنع الغلق |
| railw., sec.sys. | clamp lock | قفل مثبت |
| railw., sec.sys. | combined electric lock and circuit controller | قفل كهربائي مدمج مع متحكم في الدائرة |
| railw., sec.sys. | complete route locking | قفل تام للمسار |
| railw., sec.sys. | continuity locking | استمرارية التقفيل |
| econ. | dead-lock | مأزق |
| econ. | dead-lock | طريق مسدود |
| railw., sec.sys. | dependent point lock | قفل غير مستقل لنقطة تحويل |
| agric. | discharge lock-gate | سِكْر التصريف |
| gen. | door lock | قفل الباب |
| railw., sec.sys. | electric lock | قفل كهربائى |
| comp., MS | hardware locking | تأمين الأجهزة (The act of forcing a computer into Hardware Locked Mode (HLM), where the computer is not under the control of the operating system; instead, the boot sequence is stopped at a firmware screen and the user is told to call customer support. Hardware Locked Mode (HLM) prevents the use of a computer in the case of tampering or default on the agreement with the customer) |
| railw., sec.sys. | independent point lock | قفل مستقل لنقطة تحويل |
| el., meas.inst. | instrument with locking device | جهاز قياس لا إتجاهي |
| econ. | keep under lock and key | احتفظ بِالشَّيء فِي مكان مغلق |
| railw., sec.sys. | key lock | قفل مفتاح |
| transp. | load lock | محبس الحمل |
| pack. | lock and lap side seam | درزة الحصر الجانبية البراكبية |
| water.res. | lock and spill drain | مصرف الإحتجاز و الجريان |
| therm.energ. | lock chamber | غرفة الغلق |
| water.res. | lock gate | بوابة حجز الماء |
| water.res. | lock gate | بوابة تصريف |
| water.res. | lock gate | بوابة مائية |
| water.res. | lock gate | بوابات مجرى الماء |
| water.res. | lock gate | فتحة تصريف الماء |
| UN, econ. | lock in the interest rate | حجز سعر الفائدة |
| vet.med. | lock jaw | الكزاز |
| vet.med. | lock jaw | كزاز الفك |
| vet.med. | lock jaw | التيتانوس |
| vet.med. | lock jaw | تشنج عضلات الفك |
| transp. | lock-kilometre | سَدُّ كيلومتر |
| el.gen. | lock-out | فصل نهائى |
| econ. | lock out workers | منع العمال من الدخول |
| econ. | lock out workers | وقف العمل |
| comp., MS | lock screen | شاشة القفل (The screen that appears when a user locks the PC) |
| comp., MS | lock screen | شاشة التأمين (The screen that appears when a user locks the PC) |
| pack. | lock seam | درزة الحصر |
| med. | lock-stitch suture | خِياطَةٌ اِقْتِفالِيَّة |
| econ. | lock up capital | حبس رؤوس الأموال |
| econ. | lock up of capital | حبس روؤس الأموال |
| oil | lock washer | حلقة القفل |
| knit.goods | lock wool | صوف نفاية: صوف منخفض الدرجة |
| oil | locking arm | جهاز الإغلاق |
| el.tract. | locking contact | تلامس إقفال |
| oil | locking pin | برغى عديم الرأس |
| railw., sec.sys. | locking table | جدول الاقفال |
| railw., sec.sys. | opposing locking | قفل معكوس |
| comp., MS | panning direction lock | تثبيت اتجاه التحريك (Functionality that constrains the panning direction to a primary axis. A distance threshold is used to determine the user's intent and select the primary axis) |
| comp., MS | pessimistic locking | تأمين حذر (A type of locking in which the page containing one or more records, including the record being edited, is unavailable to other users when you use the Edit method, and remains unavailable until you use the Update method) |
| radio | phase lock loop | حلقة مقفلة للطور |
| railw., sec.sys. | point lock | قفل نقطة تحويل |
| comp., MS | rotation lock | تأمين التدوير (A software setting that disables display rotation) |
| comp., MS | rotation lock button | زر تأمين التدوير (The button or slider on tablets and convertible tablets that rotates the display) |
| railw., sec.sys. | rotation locking | قفل دوراني |
| O&G. tech. | rotor lock | قفل الدوار |
| railw., sec.sys. | route locking | قفل المسار |
| railw., sec.sys. | sequential locking | قفل متتالى |
| radio | side locking of the sub-carrier | قَفل جانيي في الحامل الثانوي |
| railw., sec.sys. | slide-chair point lock and detector | مكشاف وقفل نقطة التحويل ذات الكرسي الجانبي |
| comp., MS | subsidy lock | تأمين الدعم (A type of phone lock that original equipment manufacturers embed into their mobile phones at the request of mobile phone operators to prevent their use on a cellular network other than the one for which the phone was originally intended) |