Travailleurs d'usine
Biological Oxygen Demand Test
Date : 197-
Créateur : Studio Laporte
Source : CDEM Fraser Companies Limited Collection
Collaborateur(s) : Mr. Raymond Burton
Description : Tests are performed on the biological oxygen demand. These tests could determine the level of oxygen required to sustain living organisms.
Sujet : New Brunswick, Logging, Wood-Pulp Industry, Staff, Edmundston