How many technologies are there in the story a sound of thunder?

In Ray Bradbury's "A Sound of Thunder," the primary technology featured is time travel, facilitated by a company that offers safari trips to the distant past. The story also includes advanced tracking devices and a complex ecosystem of machines designed to ensure a safe time travel experience. These technologies highlight the interplay between human innovation and the potential consequences of tampering with time. Overall, the narrative emphasizes the delicate balance between technological advancement and environmental impact.