Wangji takes a moment to process this, matching Danny's stride whilst thinking about various household appliances.
"Does that include things such as a vacuum cleaner? Or a blender?"

He feels a little like they should check at some point or another.
"Potentially scorching ghosts may aggravate them, but as this you area of expertise I trust your judgement."

The news about the zone is more thought provoking than anticipated. He thinks about dimensions and the fact that ghosts could be anywhere, along with the train hurtling through a void.
"Swirling green holes. Something to mention if I should see one, perhaps with a figure coming out of it?"