A Plea for the Systematic Extension of Industrial Training from the Kindergarten to Grammar Schools

1895 ◽  
Author(s):  
Mary A. Pinney
Keyword(s):  
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.


1963 ◽  
Vol 5 (7) ◽  
pp. 312-314
Author(s):  
John Wellens
Keyword(s):  

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