Next they guided their self-made raft of eight tyre tubes down grade two white-water rapids for 90 minutes before mountain biking 25km on a steep uphill course for four hours.
This produced a situation where the trains approached the platform on an up grade that aided braking, and departed on a down grade that aided starting.
One of the few remedies for a down grade to junk status, that could counter somewhat the disease called corruption, poor political leadership and bad governance, must be increased competitiveness!
If that walk-in closet you've been renting is starting to feel as thought you're living beyond your means, here's a chance to down grade and save some cash.