Besides the usual college-level courses in science, mathematics, and communications, the program provides a knowledge of hazardous materials, building construction, and firefighter safety.
除了平常大学水平的课程如科学，数学和交流，课程还提供有害材料的知识，建筑施工和消防员安全。
Reduced port Ball valves are not recommended in building services piping, but rather for process piping in hazardous material transfer.
缩径流道球阀不推荐在建筑物管道系统中使用，但是可用于有害物质传输的处理管道。
Reduced port Ball valves are not recommended in building services piping, but rather for process piping in hazardous material transfer.
缩径流道球阀不推荐在建筑物管道系统中使用，但是可用于有害物质传输的处理管道。
应用推荐