The kindergarten’s indoor air contained a number of pollutants, including total volatile organic compounds, particulate matter, carbon monoxide and insufficient ventilation with high dioxide levels, which exceeded the quality (IAQ) guideline. presence these pollutants is caused by various factors inappropriate physical setting. Indisputably, authorities throughout countries provide guidelines f...

• A hybrid waste collection system is modeled as an extended periodic location routing problem. New subtour elimination constraints for problems with intermediate facilities are introduced. Factors influencing the service type decision (pickup or bring system) presented. The developed ALNS provides good results also introduction of a pure system. Efficient solid management one most relevant iss...

Mosquito populations are largely regulated by processes occurring at the larval stage. We sampled mosquito larval microhabitats (mostly water-holding containers) in six neighborhoods in the Washington, DC, area that varied in socioeconomic status (SES) and housing structure (row houses vs. stand-alone houses) to test associations among these neighborhood characteristics, microhabitat abundance ...

The problem of waste in the world is almost most urgent and painful, we constantly see overflowing garbage cans, mountains rivers garbage, etc. on Internet streets. era COVID-19 pandemic brought into our lives understanding that there a not only with disposal household industrial waste, but also medical and, general, sphere handling this has become no less important popular. article presents an...

Upholstered furniture intended to provide better sleep and rest, especially furniture for disabled persons, require careful design of elastic spring systems. In the majority of cases, when designing new articles, both furniture designers and manufacturers rely on long-term experience and craftsman’s intuition. On the other hand, the accumulated interdisciplinary knowledge of modern medical labo...

Although some methods for eliciting preferences to assist participatory priority setting in health care in developed countries are available, the same is not true for poor communities in developing countries whose preferences are neglected in health policy making. Existing methods grounded on self-interested, monetary valuations that may be inappropriate for developing country settings where co...