A municipal sanitation worker lost his hand in the blast.
It commands the services not only of architects, city planners and construction workers but also bankers, professors of urban geography, transport workers, sanitation workers and many others besides.
Waste is collected from 132 collection points with the help of 115 sanitation workers.
The strike was settled on, with the sanitation workers getting union recognition and other benefits.
Many sanitation workers were required to wear dust masks during work early in the morning.
Lanier particularly angered sanitation workers when he declared that their pace of work was too slow.
It is also worn by people in dusty environments such as sanitation workers.
He marched with the citys sanitation workers who went on strike for 116 days in 1968, demanding better wages.
