Coats and jackets should be used to cover students' heads, arms, and legs, so as to reduce the number of injuries from flying missiles of glass or other debris.
(Coats and jackets; should be used; to cover students' heads, arms, and legs, so as to reduce the number of injuries from flying missiles of glass or other debris)
Coats and jackets
should be used
to cover students' heads, arms, and legs, so as to reduce the number of injuries from flying missiles of glass or other debris