1. Safety
The first argument is, of course, safety. With hoses and cables lying on the floor, there is always a tripping hazard. By using hose reels, the hoses are stored off the floor and tripping hazards thereby prevented. Furthermore, a safety reel with slow retraction guides the hose back onto its case nicely and smoothly without any risk of injuring people or damaging surrounding objects due to high retraction speed causing uncontrolled hose movements.