performing maintenance and operation activities as well as repair and repair works of escalators manufactured by OTIS Austria with serial numbers: 32 NZ 2192 and 32 NZ 2193 installed in the underground passage under 3 Maja Street, ensuring that they are maintained in full technical and electrical efficiency.

performing maintenance and operation activities as well as repair and repair works of escalators manufactured by OTIS Austria with serial numbers: 32 NZ 2192 and 32 NZ 2193 installed in the underground passage under 3 Maja Street, ensuring that they are maintained in full technical and electrical efficiency.