When the firepit cools the iron particles in the hardened clay keep this thermoremanent magnetization.
(the firepit; cools; the iron particles in the hardened clay keep this thermoremanent magnetization) Context(the firepit cools,List([5, 22))):(the iron particles in the hardened clay; keep; this thermoremanent magnetization)
the firepit cools,List([5, 22))
the firepit the iron particles in the hardened clay
cools keep
the iron particles in the hardened clay keep this thermoremanent magnetization
this thermoremanent magnetization