Background and aims: Parks are a place for children's play and activity, so making safety these environments that are somehow a social work environment is one of the requirements of environmental planning. Making safety these environments is one of the requirements of environmental planning. It will be necessary to provide quality and sustainable conditions for park playgrounds to improve the s...

Introduction: After the increase in the incidence and global spread of Covid-19 virus, medical centers faced a number of problems and challenges following this crisis. In order to increase the quality and safety of medical services and their optimal management, both in critical and non-critical situations, health care providers in different countries of the world have used various methods that ...

there is no doubt that human being needs to become integrated with industry and industry needs to be progressed, daily. on the other hand, serious events in industrial units specially in oil industries has been shown that such damages and events are industry related ones. the consequence of such events and damages which resulted in chemical and poisoned explosions and loss of life and property ...