Hello friend steemit everything on this post I will show about what we have created as one of the task as a student of mechanical engineering University malikussaleh the design excavator with hydraulic syringe, which is basically we made just want to learn about the system work at a excavator.
 ![image](https://img.esteem.ws/0mxdrpsieo.jpg)
 ![image](https://img.esteem.ws/1nbl373bwf.jpg) ![image](https://img.esteem.ws/c13zbdvqdd.jpg)

And a little I tell you about the history of excavator.excavator is one of heavy equipment usually in use for complete the hard work that could not done directly by the human hand. excavator created the first time in the year 1835 by William Smith Otis, with his work creates excavator, William receive patent on discovery excavator in 1839, in 1840 recorded 7 fruit excavator and is excavator world's first created by William Smith Otis.
and the use of excavators is
1.dig the Foundation of the building
2.destroy the building
3.alignment dirt
4.extraction River
5.self-adhesive stem Foundation
   and many more other uses that can be done by excavator, but at pistingan this time enough so from me about excavator