The most interesting projects of BLEJKAN company in recent years – Mariusz Iwanejko, BLEJKAN S.A.

The water supply and sewerage company as a non- commercial contractor of sewer repairs in the CIPP technology using the liners impregnated with epoxy resins – Mirosław Cecuga, Sezam Instal

Repair of drainage wells using the UV light-cured linners – Michał Andrzejewski, Gamm-Bud sp. z o.o.

Building the expert image using modern marketing tools on the example of e-learning – Tomasz Łucek, New Idea House sp. z o.o.