To what extent may a commercial and industrial training be properly included in the grammar-school course?

1908 ◽  
Author(s):  
H. M. Rowe
Author(s):  
M. N. Konkova ◽  
V. N. Dolich ◽  
V. V. Gudz

The article presents a hygienic assessment of the working environment in the process of educational and industrial training of adolescents in construction professions. The increased concentrations of harmful substances (manganese in welding aerosol, ozone) and paper dust in the air of educational and industrial premises were revealed, measures for prevention of their negative impact were proposed.


1902 ◽  
Vol s9-IX (299) ◽  
pp. 386-386
Author(s):  
J. Langfield Ward
Keyword(s):  

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