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.
1:25 Required at on-site facilities and during camp trip swimming when off-site facility does not provide qualified lifeguards. 1  Must be at least 17-years-old for on-site and camp trip swimming (50% of required total number of lifeguards on duty may be 16) 2  Wilderness swimming lifeguards must be at least 18-years-old.