backfilling blade
1Caterpillar D6 — The Caterpillar D6 track type tractor is a medium bulldozer manufactured by Caterpillar Inc.Caterpillar first introduced the D6 in 1959 with the D6B. I worked on Caterpillar D6 tractors in 1955, so I am sure the preceding sentance is incorrect.… …
2Caterpillar D7 — Two armored D7 bulldozers out on a mission in Ramadi, Iraq. Manufacturer Caterpillar Production 1938 …
3coal mining — Coal was very important in the economic development of Britain. It was used as fuel in the factories built during the Industrial Revolution and continued to be important until the 1980s. The main coalfields are in north east England, the north… …
4Compact excavator — A Kubota compact excavator A compact or mini excavator is a tracked or wheeled vehicle with an approximate operating weight from 0.7 to 8.5 tonnes. It generally includes a standard backfill blade and features independent boom swing. Hydraulic… …
