Introduction A growing level of attention has recently been given to the automated control of potentially hazardous processes such as the overpressure or containment of dangerous substances. Several independent protection methods provide measures to reduce the risk from such hazards to personnel, the environment and assets. A significant level of this risk reduction is allocated to safety instr...

Protection against dangerous emissions is important in every context where combustion occurs and where there is a risk of people coming in contact with exhaust gases. It is furthermore the intention that people will be present in certain surroundings, such as road tunnels, mines and garages, and therefore will also be inhaling the emitted exhaust gases – in this case coming from vehicles and ma...

The honey bee is one of the insects that significantly endangered by application pesticides in cultivation crops. Not only acute toxicity dangerous, but importance chronic poisoning low doses hives growing. behavior bees can be affected not insecticide residues also herbicide and fungicide residues. In 2016–2018, samples bread were analysed for pesticide content at 25 different localities from ...

As a result of economic development and an increase in the volume industrial production, use dangerous substances is increasing despite fact that most facilities are committed to principles environmental protection sustainable development. Protection human health environment ensured at local level by safety system. Major accidents typically have off-site impact also affects general public. The ...

The flow properties of powdery or granular filling substances for dangerous goods packagings are safety-relevant parameters. To specify the behaviour, angle repose is measured in recognized test centres Germany. Previous investigations performed on non-hazardous revealed that some methods currently used have disadvantages application. Additionally, occupational health and safety reasons, it was...

Chlorination is a priority method for drinking water disinfection, since chlorine has strong bactericidal properties. However, whole set of volatile derivatives organic substances dangerous to humans are formed during chlorination, among which it necessary mention chloroform, carbon tetrachloride, chlorophenols. To reduce the concentration organochlorine derivatives, supplement current treatmen...

introduction: children may be intentionally or unintentionally exposed to any substance. substance poisoning is one of the most important emergency interventions in children that cause a great number of deaths each year. regarding the importance of this issue and recent increase in number of poisoning cases, a study with the aim of investigating cases of substance poisoning and factors involved...

Equity issues have led many economists to re-consider their preference for conducting efficiency analyses with aggregated estimates of the benefits and costs of changes in environmental resource allocations. For instance, there is evidence that health risks due to hazardous wastes disproportionately affects the poor and non-white. Policies that lead to these disproportionate effects are not nec...

PURPOSE Unsafe behaviors are an important cause of accidents in adolescent age groups. This study was designed to examine the behaviors of adolescent pedestrians in southern Iran. METHODS This is a descriptive analytical cross-sectional study. The study population consisted of high school students in Shiraz, capital city of Fars Province, Iran. Five hundred and sixteen students were selected ...