bottleneck-slow down or impede by creating an obstruction; His laziness has bottlenecked our efforts to reform the system. blockade, obstruct, stymie, stymy, embarrass, hinder, block-hinder or prevent the progress or accomplishment of; His brother blocked him at every turn.
Becoming a Lifeguard. Becoming a lifeguard does require an initial investment of time and money. Certification courses cost anywhere from $150 to $500, and take upwards of 30 hours to complete.
With job training of one month or less, they can become furniture finishers, shoe machine operators, security guards and sports book writers. With job training of less than 12 months, they can work as travel guides, cabinetmakers, animal control workers and flight attendants.