Susanna McLeod Special to Ontario Construction News Viscous, or light and free-flowing, crude oil remains an essential factor in the construction industry. Refined and processed, oil is transformed into fuel, machine lubricants, plastic components for tools and machinery, and so much more. Oil discoveries in southern Ontario in the mid-1800s signalled the start of […] The post Foundations of Construction: Jerker-line system powered multiple oil …
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