suljeillä
Suljeillä is a Finnish term that appears mainly as a plural instrumental/adessive form related to closing devices or lids. In contemporary Finnish, the word is uncommon, and speakers typically use more specific terms such as kansi (lid), korkki (stopper), suljin (closing mechanism), or lukko (lock) depending on the context. The form may be encountered in technical, historical, or archival texts rather than in everyday language.
The word is derived from the verb sulkea, meaning “to close.” In Finnish noun formation, the instrumental/adessive
Usage and context: Due to its rarity in modern usage, suljeillä is more likely to be found