(_b_) In the industrial course, Portuguese and civic instruction, arithmetic, and geography, elements of applied physics, chemistry, and natural history, accounting as related to the particular vocation selected by the pupil, free-hand and mechanical drawing. ART. 7. The vocational finishing courses are designed primarily for young men already employed in industry and commerce, who seek to improve their vocational knowledge. ART. 8. The two types of vocational finishing schools may be taught conjointly in the same building. ART. 9. Teachers and assistants imparting instruction shall be appointed as follows: (_a_) There shall be a teacher and so many assistants for each branch as shall be made necessary by the attendance. (_b_) For the instruction in technical accounting related to each vocation there shall be employed special teachers only where 15 or more students are enrolled for each course, and they shall receive salaries only when actually teaching. The same teachers shall be in charge of the various related branches of technical instruction in the shops. ART. 10. The courses in the secondary vocational institutes for boys shall include-- (_a_) The elementary and middle instruction for pupils who have not had them. (_b_) Physical exercises and military drill. (_c_) Vocal and instrumental music. ART. 11. The courses in the vocational institutes for girls shall include-- (_a_) Primary instruction for such pupils as have not had it. (_b_) Vocational drawing and modeling. In the vocational institutes the elementary primary instruction shall be followed by an intensive course in manual arts, such as sloyd, wood carving, and weaving in straw, vine, and bamboo. ART. 12. The primary vocational schools shall also offer a commercial course consisting of the following subjects: (_a_) Commercial correspondence and accounting. (_b_) Typewriting and stenography. (_c_) French and one other modern language, English or German. ART. 13. Instruction in the workshops of vocational schools for boys shall be given first in a general compulsory course of three years, during which the pupil shall in turn be trained in the workshops in cold and molten metals, including foundry work and wrought-iron work. The pupil shall then be allowed to specialize in any workshop or section at his choice. The pupils of the vocational institutes for boys shall likewise take a compulsory course in horticulture and kindred subjects. ART. 14. The agricultural schools and the vocational institutes shall require attendance on the courses of civil training and agronomy, with optional specialization in any line selected when the general course is completed.