A bulldozer is a crawler (continuous tracked tractor) equipped with a substantial metal plate (known as a blade) used to push large quantities of soil, sand, rubble, or other such material during construction or conversion work and typically equipped at the rear with a claw-like device (known as a ripper) to loosen densely compacted materials.
Tags: girls, boys, machinery, vehicle, kids
Do you ever think about the hardworking farmer that provides your local healthy produce? If it wasn't for him, you would not have a steady source of meats, milk and vegetables to eat! Without food, there can be no civilization. Thanks farmers, for making our country great!!!
Tags: science, agriculture-soil, soil-conservation, agronomist, food