The Need of Further Industrial Training for the Blind

1922 ◽  
Vol 16 (2) ◽  
pp. 59-63
Author(s):  
Joseph F. Clunk
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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