• Title/Summary/Keyword: Warning Signs

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Crab Landing QAR (Quick Access Recorder) Flight Data Statistical Analysis Model (크랩랜딩(Crab Landing) QAR(Quick Access Recorder) 비행 데이터 통계분석 모델)

  • Jeon Je-Hyung;Kim Hyeon-deok
    • Journal of Advanced Navigation Technology
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    • v.28 no.2
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    • pp.185-192
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    • 2024
  • The aviation has improved safety through technological innovation and strengthened flight safety through safety regulations and supervision by aviation authorities. As the industry's safety approach has evolved into a systematic approach to the aircraft system, airlines have established a safety management system. Technical defects or abnormal data in an aircraft can be warning signs that could lead to an accident, and the risk of an accident can be reduced by identifying and responding to these signs early. Therefore, management of abnormal warning signs is an essential element in promoting data-based decision-making and enhancing the operational efficiency and safety level of airlines. In this study, we present a model to statistically analyze quick access recorder (QAR) flight data in the preliminary analysis stage to analyze the patterns and causes of crab landing events that can lead to runway departures when landing an aircraft, and provide a precursor to a landing event. We aim to identify signs and causes and contribute to increasing the efficiency of safety management.

Investigation on Risk Factor and Warning Signs According to Stroke Lesion (중풍 발병 부위별 위험요인 및 전조증상 조사연구)

  • Jung, Jae-Han;Sun, Jong-Joo;Min, In-Kyu;Kim, Mi-Young;Choi, Won-Woo;Hong, Jin-Woo;Na, Byong-Jo;Jung, Woo-Sang;Moon, Sang-Kwan;Cho, Ki-Ho;Kim, Yong-Suk
    • The Journal of Internal Korean Medicine
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    • v.28 no.4
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    • pp.808-815
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    • 2007
  • Objectives : This study investigated stroke lesions and their relationship with warning signs and risk factors in stroke patients. Methods : Three hundred fifty-three stroke patients were recruited at the Department of Cardiovascular and Neurologic Diseases (stroke center) of Kyung Hee University Oriental hospital from October 2005 to July 2007. We evaluated their stroke lesions with brain MRI, their warning signs, and risk factors. Results : 353 subjects were included in the final analysis. The frequency of diabetes was found more in presence of brain stem lesion than without. The cortex lesion showed a close relationship with smoking, drinking and the frequency of one side paralysis or weakness. These were more common in males than in females. Conclusions : We observed stroke lesions and their characteristics in stroke patients. The subjects' brain lesions seemed affectedby the risk factors. A concrete conclusion can hardly be drawn from this study; additional research is necessary.

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Effects on the Vehicle Running Speed Analysis according to the Speed Reduction Road Facilities (속도저감형 시설이 차량 주행 속도에 미치는 영향 분석)

  • Kang, Soochul;Yoo, Soonduck;Cho, Gyucheol
    • Journal of the Korean Society of Safety
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    • v.31 no.5
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    • pp.158-170
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    • 2016
  • It has been applied several ways in order to prevent traffic accidents and speed management on the road which is one of very important factors to prevent accidents. In this study, it is analyzed whether the facility such as the flashing and crosswalk, speed cameras and intermittent warning signs affect on a driving deceleration or not. It has been shown that the flashing and crosswalk and speed cameras except intermittent warning signs play a role of reducing the driving speed. The result showed that these traffic safety facilities help to improve the average speed as well as velocity distribution which was derived by the speed deviation even if there were the difference between facilities. Speed limit display does not affect the deceleration of the driver. Therefore, it was founded in this research that there were the driving speed reduction effect due to the facilities on the road. In order to control the driving speed on the road, it is necessary to install facilities with appropriate location and spacing on the road. In addition, place that turns out suppressed speeding through speed management also are required adequate facilities such as speed cameras.

A Study on Conformity of Packing in International Sales of Contract (국제물품매매계약에서 포장의 계약적합성에 관한 연구)

  • Kim, Jae-Seong;Park, Se-Hun
    • THE INTERNATIONAL COMMERCE & LAW REVIEW
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    • v.54
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    • pp.123-144
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    • 2012
  • Seller shall deliver the goods with a perfect condition of packing or container in international trade. Unless otherwise seller shall warranty that the goods arrive at destination with a safe and economic value. Buyer may ask packing is to be made in specific condition or refuse to accept when the packing is not made in accordance with trade customs between among merchants. Especially packing is to be considered under the local law and process. Sometimes tax will be added to specific condition of packing for example glasses, metal sheet or others. Warning signs shall be included as form of both words and diagrams, and be in form of ensuring understanding in the local market. Wide range of warning signs can be used for communications and understanding of packing. Packing of a product can usefully symbolize a range of product information, or any relevant warnings, and give an opportunity for displaying messages of promoting the company and the goods. The seller may choose the best method to maintain its value but find a way to reduce packing cost, size for convenience during delivery, design, and local customs. There are many things to be considered for packing to seller. The purpose of packing is to protect the goods itself and to maintain its economic value during storage, delivery, transshipment, and distribution to end users.

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Relationships between Knowledge about Early Detection, Cancer Risk Perception and Cancer Screening Tests in the General Public Aged 40 and Over (암 조기발견 지식.암발생 위험성 지각과 암 조기검진 수검 여부와의 관계: 40세 이상 일반인 대상으로)

  • Yang, Young-Hee
    • Asian Oncology Nursing
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    • v.12 no.1
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    • pp.52-60
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    • 2012
  • Purpose: This study is to determine knowledge about early detection and risk perception of cancer according to taking cancer screening tests in the general population. Methods: The participants were 151 people aged 40 years or older. A questionnaire consisted of knowledge about early detection (warning signs, cancer screening methods, general knowledge for early detection), cancer risk perception and history of cancer screening during past 2 years. Results: The percentages of correct answers were 64.7% in knowledge about warning signs, 73.7% in knowledge of cancer screening tests and 80.1% in general knowledge for early detection. Participants had the highest knowledge about screening methods for stomach cancer and the lowest for liver and colon cancer. The level of risk perception was medium. The participants who participated in cancer screening showed lower risk perception than those who did not. There was no significant relationship between knowledge and performance of cancer screening. The primary reason for not participating in cancer screening was patient's perception of their own health. Conclusion: These results suggest that cancer risk perception can affect the performance of cancer screening and we need to study how to handle this problem. Additionally screening programs should focus on liver cancer and colon cancer.

Study on the Improvement of MSDS Awareness among University Laboratory Workers

  • Sung-Min HAN;Sei-Yeon KWON;Min-Ji RYU;Woo-Taeg KWON;Hee-Sang YU
    • Journal of Wellbeing Management and Applied Psychology
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    • v.6 no.3
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    • pp.25-32
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    • 2023
  • Purpose: This study is to improve awareness of MSDS in order to prevent university accidents and protect university laboratory workers. In order to improve awareness, measures to increase accessibility through auxiliary means (warning signs, One Page Sheet MSDS, etc) and ways to strengthen safety training (improvement and strengthen MSDS training). Research design, data and methodology: A questionnaire survey was adopted as a research method for this study. Question items were selected, modified, and supplemented by referring to the previous paper. Results: As a result of the survey, MSDS found that it was difficult to find the information they wanted and that there were many technical terms and limitations in using it. In addition, MSDS training is underway, but few university laboratory workers felt that training was helping. This shows that the effectiveness of training is virtually insignificant. Therefore, it seems that improvement measures are needed to solve this. Conclusions: One Sheet MSDS, an effective way for university laboratory workers to communicate information, and MSDS information should be provided with warning signs with large phrases and good visibility. In addition, this study proposes a One Sheet MSDS that prioritizes important MSDS items over all items in the MSDS, and in the field of education, several improvements are proposed, such as "To prevent problems and answers from being shared on the Internet" and "To improve the difficulty of checking the online curriculum".

Comprehensibility of Newly Introduced Water-sport Prohibitive Signs in Korea by Koreans and Westerners

  • Kim, Woojoo;Siswandari, Yohana;Xiong, Shuping
    • Journal of the Ergonomics Society of Korea
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    • v.34 no.1
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    • pp.63-73
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    • 2015
  • Objective: The goal of this study is to evaluate the comprehensibility of the newly introduced water-sport prohibitive signs by the Ministry of Knowledge Economy (MKE, later merged into the Ministry of Trade, Industry and Energy) among Koreans and westerners, and to check whether the comprehensibility is affected by cultural differences. Background: The Ministry of Knowledge Economy had newly introduced fourteen water-sport prohibitive signs at the end of 2011 to alert people to potentially dangerous situations. However, no studies had been found so far to review or assess their comprehensibility. Method: Comprehensibility tests of fourteen water-sport prohibitive signs were conducted with forty Koreans and forty Westerners in two sequential sessions. In session I, participants were asked to guess the meaning of each sign verbally in an open-ended test. In session II, participants were encouraged to provide feedback for each sign after its intended meaning was given. Results: Only two out of fourteen signs satisfied the comprehension rate (67%) recommended by ISO standard for both groups (Koreans and Westerners). Cultural difference between Koreans and westerners significantly affect the comprehension rates of the investigated signs, and Westerners exhibit better overall comprehension than Koreans. Five poorly comprehended signs for both Korean and Western groups were identified. Conclusion: The recently introduced water-sport prohibitive warning signs by MKE still need a lot of improvements in order to be implemented nationally or internationally. There were significant differences in the signs' comprehensibility between Koreans and westerners. Application: The findings may serve as a useful input for researchers and watersport sign designers in creating easy-to-comprehend safety signs.

Identification of Subgroups with Lower Level of Stroke Knowledge Using Decision-tree Analysis (의사결정나무 분석기법을 이용한 뇌졸중 지식 취약군 규명)

  • Kim, Hyun Kyung;Jeong, Seok Hee;Kang, Hyun Cheol
    • Journal of Korean Academy of Nursing
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    • v.44 no.1
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    • pp.97-107
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    • 2014
  • Purpose: This study was performed to explore levels of stroke knowledge and identify subgroups with lower levels of stroke knowledge among adults in Korea. Methods: A cross-sectional survey was used and data were collected in 2012. A national sample of 990 Koreans aged 20 to 74 years participated in this study. Knowledge of risk factors, warning signs, and first action for stroke were surveyed using face-to-face interviews. Descriptive statistics and decision tree analysis were performed using SPSS WIN 20.0 and Answer Tree 3.1. Results: Mean score for stroke risk factor knowledge was 7.7 out of 10. The least recognized risk factor was diabetes and four subgroups with lower levels of knowledge were identified. Score for knowledge of stroke warning signs was 3.6 out of 6. The least recognized warning sign was sudden severe headache and six subgroups with lower levels of knowledge were identified. The first action for stroke was recognized by 65.7 percent of participants and four subgroups with lower levels of knowledge were identified. Conclusion: Multi-faceted education should be designed to improve stroke knowledge among Korean adults, particularly focusing on subgroups with lower levels of knowledge and less recognition of items in this study.

A Study on the Safety Countermeasures in Advanced Warning Area by Analyzing Driving Simulation in Work Zone (주행시뮬레이션을 이용한 고속도로 공사장 주의구간 교통안전표지 설치 방안 연구)

  • YOUN, Seok Min;PARK, Hyun Jin;OH, Cheol;CHUNG, Bong Jo
    • Journal of Korean Society of Transportation
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    • v.35 no.4
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    • pp.278-291
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    • 2017
  • Effective installation and operations of traffic safety signs in the advance warning area is of considerable interest for safer traffic management at freeway work zones. This study evaluated the feasibility of traffic safety sign installation based on a driving simulation experiment to take drivers' responsive characteristics into consideration. Both the compliance rate for speed limit and a lane-changing safety index were used for evaluating a set of driving simulation scenarios. It was identified that providing speed limit signs to reduce speed in advance and afterward guiding lane-changing could lead to safer maneuvering of vehicles entering work zones. The outcomes of this study are expected to be useful for revising freeway work zone management policies toward crash prevention.

Method to Acquire Safety of Work Spaces by Ensuring Proper Ratio of Visibility of Unsafe Factors in Building Construction Sites (건설현장 위험요소의 관측비율분석에 의한 작업공간의 안전성 확보방안)

  • Choi, Heebok;Jang, Myung-Houn
    • Journal of the Korea Institute of Building Construction
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    • v.13 no.6
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    • pp.557-564
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    • 2013
  • Unsafe and dangerous factors or environments on building construction sites often cause safety accidents. Sometimes, accidents happen despite the existence of warning and caution signs. Such warning signs are likely to be hidden by stacked materials or temporary facilities on site. If workers cannot see the signs when moving or working, they could be injured, sometimes fatally. Many studies have focused on each worker's position, and various systems have been developed using GPS signals and sensors. This paper suggests a method for identifying the problem of worker inability to see the unsafe factors, to manage the problem in the construction planning phase by considering things from the worker's perspective. The method uses CAD software to investigate the relation between the height of stacked materials and the visible ratio of the unsafe factor. The results of a sample project show that the changes in the height and location of stacked materials make the site safer.