Split Plummer blocks, are designed for having a ball or roller bearing mounted within them. They allow the outer race to remain stationary whilst the inner race is free to rotate. 20 more words
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WhatsApp has been suspended in Brazil after failing to hand over information related to a criminal investigation in the country.
The messaging app, which has more than 100 million users in Brazil, will be unavailable for 72 hours from 2pm Brazilian time (6pm BST) on Monday after a judge ordered telecoms providers to block the service. 297 more words