What the Online Safety Act is - and how to keep children safe online
Билл Клинтон. Фото: Алексей Витвицкий / РИА Новости。同城约会对此有专业解读
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Venezuela's oil is also of poorer quality than its Saudi equivalent. Its sour, heavy crude is difficult to extract and refine, while its high sulphur content makes it corrosive to pipelines. A resurgence of Venezuela's industry could pose problems for Canada, which produces similarly viscous oil and exports much of it to the US, but analysts reckon the risk is minor.