In the digital tape you just observed, which is the PRIMARY route of
Select a route below.
Absorption is minor compared to the PRIMARY
route. Look again.
YES! The poor guy drinking window cleaner
is ingesting a harmful chemical. Don't put potentially harmful chemicals
in unmarked containers!
Exposure by inhaling the chemical could be
secondary. What is the obvious PRIMARY route of exposure?
Hmmm...... Better go back and look again.