BUBBLE WRAP. Engineers Alfred Fielding and Marc Chavannes came up the idea for bubble wrap while working on a new type of textured wallpaper in 1957. By sealing two shower curtains together, they trapped a layer of bubbles.
Immigration and Customs Enforcement. Special agents at Immigration and Customs Enforcement, the largest investigative agency in Homeland Security, are classified as criminal investigators. They start at GL-7 with an annual base salary range of $33,829 to $42,055, or GL-9 with an annual base salary of $42,948 to $55,413.
The average Transportation Security Administration salary ranges from approximately $25,000 per year for Computer Specialist to $183,300 per year for Counsel. Average Transportation Security Administration hourly pay ranges from approximately $12.00 per hour for Screener to $24.00 per hour for Screener.Salary information comes from 4,056 data points collected directly from employees, users, and jobs on Indeed.he average Transportation Security Administration salary ranges from approximately $25,000 per year for Computer Specialist to $183,300 per year for Counsel. Average Transportation Security Administration hourly pay ranges from approximately $12.00 per hour for Screener to $24.00 per hour for Screener.