Not to deliver it, but to take the package or envelope, check the address, then put it in a pile to go to a distribution center in the appropriate, proximal zip code of its destination. That done, the mail might wait up to a day to be flown out, two days at times, then another day to be delivered by ground.
Some breeds of dogs have a natural curl or bend to their tails. But others have been selectively bred to take this curl to an extreme, cork-screw shape. Dog breeds with curly tails referred to as screw tails include Boston Terriers, Pugs, Bulldogs and French Bulldogs.
JherÂ·i curl. n. A hairstyle, typically having a wet or glossy appearance, in which tightly curled hair is first relaxed by a chemical application and then given a loosely curled permanent that is maintained by the frequent application of conditioning sprays and other products.