Building Site Vehicle for Pushing Soil and Rubble
Puzzle 9 of Best Friends Easy Pack
Question is: Building Site Vehicle for Pushing Soil and Rubble
and the answer is: BULLDOZER
Word Meaning:
BULLDOZER — A tractor with caterpillar tracks and an attached blade for pushing earth and building debris for coarse preliminary surface grading, demolishing building structures, etc.
Definitions from Wiktionary.