1. What human factors issues did you identify in the case study? The first human factors issue I identify is the electrical spark of the night light. It is the cause of the fire and therefore there is definitely a design problem from a human factor point of view. Next is planning the installation of steel security grills on each window. Although the design of steel security bars is intended to protect the residents of the house, it has a fatal disadvantage that limits the escape action of the residents. The case study proposed a solution which is anti-panic hardware. However, only one set of panic devices was installed in the house and this indicates another human factor problem that occurred when setting up the home security system. Additionally, the only set of panic devices in the house had to be stepped on harder to activate. This reflected poor human factor design of the panic hardware. Another human factors problem that I identify in the case study is the poor communication between the emergency services operator and the fire operator and also between the fire operator and the nearby fire station . Although the operator had clarified that the address was no. 9 to the 911 operator, the 911 operator did not notice the word "avenue" as part of the address while he was informing the fire operator of the location of the fire. Furthermore, due to communication problems between them, the rescue efforts were delayed by more than four minutes. To make matters worse, the dispatcher sent the wrong address, 3100 block of 9th Street, in his order to the nearby fire station for a rescue which should be 3102 block of 9th Avenue. In addition to the above problems, as written in the case study, the similarity ...... half of the card ...... can prevent accidents from occurring. Furthermore, the pressure required to activate the set of panic devices is not suitable for the emergency situation or for the user. It should be easier and faster to activate as it is designed for emergency escape plan. Last but not least, the city should make an effort in differentiating street names to avoid misunderstandings or misinterpretations of the address that will cause latent failures. Works CitedHealth and security manager. (2014a). HF in accident investigations. Retrieved from http://www.hse.gov.uk/humanfactors/topics/core2.pdfHealth and Safety Executive. (2014b). Identify human failures. Retrieved from http://www.hse.gov.uk/humanfactors/topics/core3.pdfHealth and Safety Executive. (2014c). Safety-critical communications. Retrieved from http://www.hse.gov.uk/humanfactors/topics/common3.pdf