plumbing

"It is also common for air to become trapped in the supply, or within the internal plumbing," SWW said.

That change prompted airport officials last year to shift some projects away from terminal expansion to infrastructure updates, such as plumbing fixes.

These settlements often lacked indoor plumbing or ventilation, leading to a rapid increase in the spread of illnesses.

Most of the building damage from Friday’s quake was nonstructural, hitting partition walls, fixtures, electricity and plumbing, Alam said.

Development Programme wants to deploy 1,100 prefab housing units, each equipped with a kilowatt of solar and rudimentary plumbing, as part of a $27 million program.