The purpose of this research is to analyze antecedent safety factor and their impact on operation performance at Construction Services Company, Serang Regency. This type of research in this research is quantitative research. The research is conducted at 5 Construction Services Companies, Serang Regency with a total population of 516 employees by using the simple random sampling approach. The number of questionnaires filled in are 306 respondents. The data analysis method is analyzed using the structural equation modeling partial least square (SEM-PLS) model with the help of SmartPLS 3.0 software. The results show that factor design has no significant effect on safety behavior. Factor design has significant effect on safety culture. Factor design has significant effect on operational performance. Factor management has significant effect on safety behavior. Factor management has significant effect on safety culture. Factor management has significant effect on operational performance. Safety behavior has significant effect on safety culture. Safety behavior has significant effect on operational performance. Safety culture has significant effect on operational performance. Safety behavior is not able to mediate effect of factor design on operational performance. Safety behavior is able to mediate effect of factor management on operational performance. Safety culture is able to mediate effect of factor design on operational performance. Safety culture is able to mediate effect of factor management on operational performance. Safety culture is able to mediate effect of safety behavior on operational performance. Keywords: Factor Design, Factor Management. Operational Performance, Safety Behavior, Safety Culture

The purpose of this study is to see whether product brand names that use foreign languages, especially English, are perceived as higher quality, more luxurious, and more modern than product brand names that use local languages by consumers in developing countries.  The population in this study were residents of Banten Province, Indonesia. Data collection using a questionnaire distributed via google form and collected as many as 275 respondents' answers. The analysis method uses paired sample mean difference test. The results showed that foreign brand names that use foreign languages are perceived as higher quality, more luxurious, and more modern than brand names that use local languages. Therefore, giving product brand names whose markets are consumers in developing countries, using foreign language brand names, especially English, will be preferred by consumers.