Original sentence: Dry-tooling is rock climbing on non-icy rock but using ice climbing equipment such as crampons and ice tools and is commonly preformed during mixed climbing.Drytooling is practiced in areas such as Vail, Colorado which is also the birthplace of modern mixed ice climbing
Edited sentence: Dry-tooling is an extensive component of all mixed climbing.Dry-tooling is practiced in areas such as Vail, Colorado which is also the birthplace of modern mixed ice climbing.Dry-tooling is rock climbing on non-icy rock but using ice climbing equipment such as crampons and ice tools