On August 29, 2020, Wellons.RU LLC successfully completed a project to replace the refractory lining of hot water boiler No. 1 (KTVm-5000) of the FM-Sever LLC boiler house. These works were carried out on the terms of an EPC contract, including engineering, selection and supply of materials, as well as works on breaking the existing (old) lining and lining works to install a new refractory lining of the boiler.