laasteissa
Laasteissa is a Finnish word-form that functions as the plural inessive of the noun laasti, which means mortar or plaster mixture used in masonry and construction. In Finnish, the inessive case expresses location “in” or “inside,” and laasteissa specifically refers to multiple mortars or multiple instances of mortar.
The term is primarily encountered in technical, construction, or building documentation where materials and mixtures are
Laasteissa does not denote a specific organization, place, or widely recognized concept beyond its linguistic function.
Laasti (mortar), sementti (cement), and the inessive case in Finnish grammar are closely related, as laasteissa