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.
American Red Cross Lifeguard Recertification â Review Course. Currently certified lifeguards with valid certification in Red Cross Lifeguarding/First Aid/CPR/AED or those who have not expired by more than 30 days. Description. This lifeguard recertification option is for currently certified lifeguards to review skills including water rescues, CPR/AED and first aid skills.