Another cooperation partner is the RBZ Steinburg in Itzehoe. Teachers of this school have built a photovoltaic system at the roof of the KIUMAKO School (2012), have installed a cistern for rain conditioning (2014) and they are going to build a biogas plant (2016).
Ushirikiano mwingine ni RBZ steinburg iliyopo Itzehoe walimu wa hii shule walitengeneza mfumo wa kupata umeme kutoka kwenye jua kwenye shule ya KIUMAKO(2012).Pia walitengeneza kisima cha kukusanya na kutunza maji kutoka kwenye mvua(2014) na wataweka mfumo wa umeme kutoka kwenye mimea na vinyesi vya wanyama(biogas)mwaka 2016.