That's Tough - 2010 Sniper Units Roads Cleaning Crews 1-6 was released on:
USA: 24 November 2010
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The requirements for the crown and slope vary by roadway. Those aren't established by the paving crews - it's the dirt crews which set that up.
Really serious sandstorms may not destroy roads but they can bury them, requiring a cleaning before they can open to traffic again.
Local or state roads crews sprinkle "grit", which normally consists of small stones, dust, or ash to increase traction on a roadway. On a snowy hill or turn grit can give a vehicle a better chanceof staying on course.
They do a general cleaning routine of the streets. A man drives a cleaning machine down a route along the roads to ensure that they are dirt free and clean.
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