It is two distinct outright cash market trades, one for forward settlement. Competition is developing among exchanges for the fastest processing times for completing trades. Prime brokers clear trades, and provide leverage and short-term financing. Many other trades and acquisitions occurred during the off season. Chinese production mainly trades with and profits from North America. Other fields include banking, finance, transport, construction, skilled trades and services and tourism. It now houses a number of shops dealing with luxury trades. Merchants engaged in a multitude of private trades and industries. Classes were offered in various trades and skills. Hazing also occurs for apprentices in some trades. These products trades domestically and are exported. The group of employees responsible for making the unauthorised trades were dismissed. Mining is one of the most dangerous trades in the world. They also became involved in the horse and slave trades and respected warriors. It was regarded by many as one of the most lopsided trades in NBA history.