Wallberg Lecture1953 |
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Página 28
... waste resulting from single - purpose operations carried on in the past and still being carried on by most of the operators " ? That was in 1947. Some progress has been made since then but how far we still have to go ! You ask me why ...
... waste resulting from single - purpose operations carried on in the past and still being carried on by most of the operators " ? That was in 1947. Some progress has been made since then but how far we still have to go ! You ask me why ...
Página 31
... waste in the use of materials which can never be replaced . Surely too , this good fortune should itself be one of the greatest incentives to ensure that everything possible is done to protect and conserve the natural resources which ...
... waste in the use of materials which can never be replaced . Surely too , this good fortune should itself be one of the greatest incentives to ensure that everything possible is done to protect and conserve the natural resources which ...
Página 33
... waste . Above all , he will be a leader in all efforts designed to conserve those resources which are renewable . It is here that he can serve his community not just as a citizen but as an engineer , for it is from the com- munity and ...
... waste . Above all , he will be a leader in all efforts designed to conserve those resources which are renewable . It is here that he can serve his community not just as a citizen but as an engineer , for it is from the com- munity and ...
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Términos y frases comunes
activities agree ahead America appreciated asked aspects associated attention become building Canada Canadian cent century citizens civil engineer coal Commission concerned conservation consider continuing convenience described direct early economic enduring essential example fact field figures follow forests fuel future hope human hundred important increase industrial inexhaustible interest known land lecture less living look materials matter MICHIGAN mind mineral natural resources never non-renewable once perhaps physical possible present problem production profession professional progress question quoted raw materials recent reference regard renewable renewable resources Report Research responsible serve significant similar social soil sources of power speak statement steward suggest supply Surely talk things thou thought tonight Toronto treasure United University venture vital Wallberg waste wish wonder writer written