
physical_object
A <physical_object> is a <possible_individual> that is a distribution of matter, energy,
or both.
EXAMPLE 1 A piece of metal is a <physical_object>.
EXAMPLE 2 A tree is a <physical_object>
EXAMPLE 3 The thing identified by tag P101 is a <physical_object>.
EXAMPLE 4 A light beam is a <physical_object>.
EXAMPLE 5 A tank that is built and dismantled on site is both a <materialized_physical_object>
and a <functional_physical_object>.
EXPRESS specification:
References (5):
Inheritance graph