Top 10 Machines Technology That Can Help People Work, This is Awesome Machine in the World

Hello every one this is technology that can help people work, this is awesome machine in the world.
the best videos show about excavator attachment with amazing tools such as:
1- Excavator CAT attachment with tree mulcher machine
2- Excavator DEERE E260 attachment with tree mulcher machine
3-Excavator CAT attachment with Hydraulic Rock and Concrete Saw
4-Excavator ETEC Driving Steel Sheets for Seawall
5- Excavator KUBOTA attachment with Concrete Saw cutter
6- Excavator CAT attachment with rock saw cutter machine
7- Excavator HITACHI attachment with tree shear cutter machine
8- Excavator attachment with rock grinder machine
9- Excavator attachment with concrete crusher
10-Excavator attachment with pile cutting machine