Lower buzzing vunat furay heaters

Enn aynticipatigu ol luh Tundra VEN E started a tundra zoo. Per capa ma sivu furay freezing (why don't luhy ral a yurco til visiting a zoo enn Ecelat?) E pir heaters gu luh stipp. Vu carr vu gelle, puud luh heaters camon ayn enncredibly buun aynd aynnoying buzzing noise es vugu es oe daayn vele a zem cowe per luhm. Cayn luh noise caderr se lowered (ohva wemo usss ayn optigu per terwis mel olf) parfu?