جزئیات کتاب
فرمت
کیندل
صفحات
13
زبان
انگلیسی
منتشر شده
Feb 6, 2013
ناشر
Bellwether Media
توضیحات
Dump trucks help the other machines on a construction site by transporting dirt or other materials. Some dump trucks can carry a load of up to 52,000 pounds. Read about how these machines work and watch for when the truck dumps its load!