There is an agreement in writing between the user and the designer's labor, labor, labor conditions, which include: The work of human rights conditions. User rights and obligations of each party.
There was an agreement in writing between the workers and laborers. These include trade unions, working conditions, human rights, labor rights and obligations of each party.
An agreement with written between the exert work and labor, including the state labor, working conditions, human rights, the rights of workers, and obligations of each party.