One component looks like a six-foot water heater.

这个部件看起来就像一台六英尺热水器。

youdao

My left foot was trapped under the firewall and heater.

NPR: Amputee Wounded in Iraq to Return to Active Duty

Julian drove into town and bought an electric heater, but under the fifteen-foot ceilings the device was like a spark at the North Pole.

NEWYORKER: Idols