تفاصيل الكتاب
تنسيق
كيندل
صفحات
13
لغة
الإنجليزية
منشور
Feb 6, 2013
الناشر
Bellwether Media
الوصف
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!