instalacjami

Instalacjami is the instrumental plural form of the Polish noun instalacja. Instalacja denotes a system of equipment or arrangement designed to serve a function, such as a building’s electrical installation, water and sewage installation, or a software installation. The term can refer to the physical setup as well as the process of installing it. The instrumental plural instalacjami is used when the noun functions as the means or instrument of an action, or in sentences where the action is performed with or through installations.

Morphology: singular forms include nominative instalacja, genitive instalacji, dative instalacji, accusative instalację, instrumental instalacją, and locative instalacji. Plural forms include nominative instalacje, genitive instalacji, dative instalacjom, accusative instalacje, instrumental instalacjami, and locative instalacjach.

Usage: the form instalacjami appears mainly in technical and professional contexts, especially in constructions with verbs that govern the instrumental case or with prepositional phrases using instrumental plural. Example sentences include: «Firma zajmuje się instalacjami wodno-kanalizacyjnymi.» (The company deals with water and sewage installations.) «W projekcie uwzględniono instalacje elektryczne i HVAC.» (The project includes electrical and HVAC installations.) «Prace prowadzone były z instalacjami podczas modernizacji sieci.» (The work was carried out with the installations during the network modernization.)

Etymology: instalacja derives from the verb installare, with the noun-forming patterns typical of Polish, and has been in use in technical and everyday language for many decades.