Where can you find Taiwan's speediest cleaners? Inside a bullet train! These speedsters in cleaning have perfected wiping, flipping and mopping down to the second. One person, one carriage, done in a blistering ten minutes. This is precision cleaning at its best. The result? A world-beating 99.4% punctuality - a result made possible because the bullet trains always manage to leave on time, and in a spick and span condition
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