background: injuries or pains occurred at various body's joints, ligaments, muscles, nerves, tendons, limbs, back and neck are classified as musculoskeletal disorders (msds). a single forceful exertion or repeated exposure to force, vibration or awkward posture can result in msds. this study was carried out by evaluating the relevant physical measurements of class b ambulance used in malaysia. ...

risks mean cases of uncertainty of project, the impact of which is realized as a threat (negative aspect) and/or opportunity (positive aspect). the traditional viewpoint on risk is a negative viewpoint that implies damages, loss and harmful consequences. judgments such as this on risk merely emphasize on risks management and pay less attention to opportunities management. it is clear that some ...

conclusions it was concluded that the prevalence of traumatic dental injuries was 9.3%. traumatic dental injuries among children exhibit complex interaction between the victims’ oral conditions and their behavior. therefore, prevention should consider a number of characteristics such as oral predisposing factors, environmental determinants and human behavior. it is recommended that specific and...

this paper explores people’s behavior when they are facing financial risks. through the setting of an economics experiment, people’s willingness to bear financial risks and their tendency to impose risks on others are investigated. the experiment result shows that most people are risk-neutral or risk-averse when making decision under financial environment, and their tendency to impose risks on ...

although delivering of oxygen to patients seems to be easy, but this procedure can include some risks. in this article, we try to show you how this procedure can perform in a safe manner.   have you ever worked in a medical-surgical ward, or emergency department, or also in intensive care unit?   perhaps you ever have the care of patients who have need for supplemental oxygen. oxygen therapy is...

background: previous studies indicate a high incidence of digestive cancers along southern parts of caspian sea including ma­zandaran province. the present study was conducted to further investigate time to occurrence, age distribution and pos­sible risks associated with the incidence time of digestive cancers in the above regions. methods: for this purpose the data of digestive cancer incidenc...