ground mass वाक्य

If the government really wants to get serious about pollution, he said, federal and city officials should team up to convert the city's crazy-quilt system of above-ground mass transit to buses and taxis that use natural gas.
As the seamen's action ended, a one-day general strike by the country's largest labor union against government-imposed austerity closed banks, public and private offices and ground mass transit to a halt as thousands of people stayed away from their jobs.