0 the systems for taking dirty water and other waste products away from buildings in order to protect people's health -- 下水道設施，衛生設備
Furthermore, houses are devoid of proper ventilation and enclosures for the animals are made within the household compound, leading to poor environmental sanitation.
Overcrowding, together with poor sanitation, illiteracy and a complete lack of veterinary attention places this community at a high risk of acquiring zoonotic infections.
During the past decades, several studies have also been made on the influence of water and sanitation interventions on childhood mortality in contemporary developing countries.
One social service worker, for example, characterized public health as being about 'sanitation'.
Settlements in these areas are characterized by informal housing without proper water reticulation and sanitation facilities.
All villages were in rural and impoverished environments, there was neither on-site electricity nor functional community-based sanitation facilities.
Several factors, including vaccination, antibiotics and improved sanitation have contributed to this trend.
However, no major changes have been made in either water- or sanitation-system constructions after independence.
