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.
Becoming a lifeguard demands a high level of physical fitness. To get a certification, people taking a course must pass a couple of physical tests to prove that they have the fitness ability to perform on the job. You can read more about these tests on the Lifeguard Certification Requirements page. If you are worried about meeting the physical demands, also read our page on Lifeguard Physical Requirements. Youâll find that passing the tests and even performing the job is quite achievable for nearly everyone.