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 an emergency medical technician (EMT) or paramedic can take anywhere from one to three years, depending on a studentâs choice of career and educational path. EMT training focuses on life support techniques in first-response situations, including CPR, tourniquet application, and treatment of wounds.