 | Joel H. Wiener - 1974 - 1064 lehte
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 | Victoria - 1906 - 738 lehte
...an injurious extent, and it NO. ij-ji s. 26. appears lo an inspector that such inhalation could l>e to a great extent prevented by the use of a fan or by other mechanical means the inspector may direct a fan or other mechanical means of a proper construction... | |
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 | Peter Bartrip - 2001 - 418 lehte
...any gas, vapour, or other impurity, is generated and inhaled by the workers to an injurious extent, it appears to an inspector that such inhalation could...or other mechanical means, the inspector may direct that a fan or other mechanical means of a proper construction for preventing such inhalation be provided... | |
 | International Labour Office - 1907 - 736 lehte
...process is carried on by which dust is generated, and by the workers inhaled to an injurious extent, and it appears to an inspector that such inhalation could...to a great extent, prevented by the use of a fan or by other mechanical means, the inspector may direct a fan or other mechanical means of a proper construction... | |
 | Victoria - 1900 - 88 lehte
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... that such inhalation could be to a great extent prevented by the use of a fan or other mechanical means... 
