There are many possible side effects of Tren use, and it is far from the most side effect friendly anabolic steroid. Many of the side effects of Tren are similar to other steroids, but Tren also carries some possible side effects that most steroids do not.
Red Light, Green Light : The Invention of the Traffic Signal. The traffic signal was first invented in 1912 â by a Detroit policeman named Lester Wire â as a two-color, red-and-green light with a buzzer to warn pedestrians ahead of the impending transition.
After the rescue was a success, requests for the masks began pouring in. Similarly, Garrett Morgan's other famous invention â the traffic signal â was also invented to help save lives. After witnessing an accident on a roadway, Morgan decided a device was needed to keep cars, buggies and pedestrians from colliding.