Activity for talrnu‭

Type	On...	Excerpt	Status	Date
Answer	—	A: Why don't climbers use electrically heated suits? Edit: It turns out battery-powered heating in clothing actually is used on Mt. Everest: Hotronic makes battery-powered heated insoles that are used by Everest climbers, for example. Battery powered jackets and other types of clothing are also common, but the models I checked only provide warmth for a... (more)	—	over 7 years ago