| Subject | English | Latvian |
| health., transp., mil., grnd.forc. | alcohol ignition lock | alkometrisks autobloķētājs |
| health., transp., mil., grnd.forc. | alcohol lock | alkometrisks autobloķētājs |
| transp., mech.eng. | anti-lock braking system | pretbloķēšanas sistēma |
| transp., mech.eng. | anti-lock braking system | antibloķēšanas sistēma |
| environ. | canal lock A chamber with gates on both ends connecting two sections of a canal or other waterway, to raise or lower the water level in each section | kanāla slūžas |
| comp., MS | CAPS LOCK | burtslēgs (A toggle key that, when on, shifts the alphabetic characters on the keyboard to uppercase) |
| comp., MS | CAPS LOCK key | burtslēga taustiņš (A toggle key that, when on, shifts the alphabetic characters on the keyboard to uppercase) |
| environ. | carbon lock-in | oglekļa iesīkste |
| environ. | carbon lock-in | "oglekļa slazds" |
| transp. | differential lock | diferenciāļa bloķētājs |
| comp., MS | Lock Conference | Bloķēt konferenci (A button on Conference Controls that prevents anybody else from joining the current conference) |
| transp., mil., grnd.forc. | lock-off device | saslēgšanas ierīce |
| comp., MS | lock screen | bloķēšanas ekrāns (The screen that appears when a user locks the PC) |
| comp., MS | Lock Session | Bloķēt sesiju (A button on the conference leader's Conference Controls that prevents anybody else from joining the current sharing session) |
| comp., MS | lock token | bloķēšanas pilnvara (The value that is returned on successful execution of the WebDAV LOCK method. This value is used to transact subsequent requests) |
| comp., MS | Lock Tracking | Obligāta izmaiņu reģistrēšana (An option that turns on change tracking and lets you set a password to prevent unauthorized users from turning it off) |
| transp., tech., law | locking chamber | bloķēšanas kamera |
| transp., mil., grnd.forc. | locking system | bloķēšanas sistēma |
| transp., tech., law | mechanical brake-cylinder locking device | bremžu cilindra mehāniskas bloķēšanas ierīce |
| comp., MS | pessimistic locking | pesimistiska bloķēšana (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) |
| comp., MS | rotation lock | pagriešanas bloķēšana (A software setting that disables display rotation) |
| comp., MS | rotation lock button | pagriešanas bloķēšanas poga (The button or slider on tablets and convertible tablets that rotates the display) |
| transp., tech., law | self-locking hexagonal nut | pašbremzējošs sešstūra uzgrieznis |
| comp., MS | subsidy lock | dotācijas slēdzene (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) |
| transp., tech., law | wheel lock | riteņa bloķēšanās |
| transp. | wheel lock sequence | riteņu bloķēšanās secība |
| transp., tech., law | wheel-locking | riteņa bloķēšanās |
| transp. | wheel locking sequence | riteņu bloķēšanās secība |