ski and sporting goods stores sell avalanche safety equipment like outdoor adventures in fremont, reccos a rescue technology that can locate people buried or lost outdoors. for many brands, it's already embedded in jackets or backpacks. >> i think everything that i wear just has a recco in it. i haven't even tried to necessarily do that, but almost all the gear just comes with it. these days. um, which is great because resorts have an ability to find those wherever they are. so that's a very helpful tool for sure. >> yeah, a life safety gear may not prevent the power of a deadly snow slide, but it could help locate someone. >> just be prepared for the types of conditions that are out there. >> um, know your limits. know your ability. um, on the mountain as well. >> in 2017, ski california created a mountain safety guide so resorts can provide a common message of safety to educate skiers and riders. >> we'd love people to read that and take those things you learn from the guide onto the mountain in the south bay. >> lauren martinez, abc seven news. >> and as we know and as we saw today,