Maintenance Service For The Water Treatment Plant In Buildings No. 3, 5, 6, 16 And 105 In Giżycko, Ul. Wojska Polskiego 21, In Building No. 17 In Brożówka, A Mini Swimming Pool, A Dry And Steam Sauna In Building No. 222 And An Ozonator In A Container At The Wierzbina Camp On The Premises Of Jw. Bemowo Piskie.