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the State.
Sec. 4. The employment of children under the age of fourteen (14) years in underground mines is prohibited.
Sec. 5. No person, not a citizen of the United States or who has not declared his intention to become such, shall be employed upon, or in connection with, any State or Municipal works.
Sec. 6. The legislature shall provide by proper legislation for giving to mechanics, laborers and material men an adequate lien on the subject matter of their labor.
Sec. 7. The legislature may
