The words "Unions 101" on a blackboard in chalk
Palabras clave
chalk,
blackboard,
teaching,
teacher,
education,
educate,
class,
class,
basic,
elementary,
college,
technical,
advanced,
white,
black,
classroom,
presentation,
classroom,
lecture,
course,
grade,
training,
train,
instruction,
tutor,
school,
university,
educational,
union,
union,
organised,
labor,
shop,
steward,
representation,
collective,
bargaining
