How did the bulldozer get its name?

Which jet aircraft takes off vertically? How fast is a F-15 Eagle? How many rambo colours? How menny people can the CH-47 Chinook hold? What does navil mean? How big is a Chinook helicopter? How fast does a 1-8 scale RC car named the savege go? What radar is used to dectect the presence of a enemy aircraft? What Lockheed Martin plane of the 1950s had six engines? What is the landing distance of F22 RAPTOR? What alarm condition indicates an attack by air or missile is imminent or in progress? How do army tank turn? What type of vehicle is the Piper PA-34 Seneca? What was the first oil tanker made? Which is better RC helicopter or RC airplane? What engine does a Collins tele shift have? Why were military tanks invented? What are some common nicknames for a helicopter? What is the biggest D series bulldozer? Is kubota equipment metric?