| Subject | Estonian | English |
| chem., engl. | Chemical Abstracts Service | Chemical Abstracts Service |
| chem. | Chemical Abstracts Service'i registrinumber | Chemical Abstracts Service index number |
| comp., MS | teenus Internet Storage Name Service | Internet Storage Name Service (A lightweight protocol designed to make the automated discovery, management, and configuration of iSCSI and Fiber Channel Protocol (FCP) devices on a TCP/IP network easier by providing a common mechanism for initiators and targets to discover one another and for handling zoning and authentication of both targets and initiators) |
| comp., MS | Transaction Service | TS (A program that enables real-time, synchronous communication between the POS, the store database, and the head office database) |
| comp., MS | Transaction Service | transaction service (A program that enables real-time, synchronous communication between the POS, the store database, and the head office database) |
| comp., MS | WWW Service | WWW service (The service that manages the IIS core components that process HTTP requests and configure and manage Web applications. Formerly known as W3SVC) |