PROCEDURE : *Make sure students wear their safety goggles while performing this investigation.
(students; wear; their safety goggles; T:while performing this investigation) Context(students wear,List([23, 36))):(students; wear their safety goggles performing; this investigation)
students wear,List([23, 36))
students students
wear wear their safety goggles performing
their safety goggles T:while performing this investigation
this investigation