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.
united states earnings for airline security screeners in the united states come in at around $ 14 37 per hour on average the bottom of the pay range sits near $ 9 17 per hour and the top verges on $ 21 13there are more male airline security screeners than female among those who completed the questionnaire making up 66 percentthe majority of workers are highly satisfied with their jobnited states earnings for airline security screeners in the united states come in at around $ 14 37 per hour on average the bottom of the pay range sits near $ 9 17 per hour and the top verges on $ 21 13