1. Heavy equipment operator: all grades of portable engineer, operating engineer, motor grader operator, asphalt foreman, asphalt worker, tractor operator, gasoline roller engineer, crane engineman, bulldozer operator
Author: / by David R. Turner.
Library: National Library and Archives of Islamic Republic of Iran (Tehran)
Subject: راهسازی,ساختمانسازی, -- آزمونها و تمرینها (عالی), -- آزمونها و تمرینها (عالی), -- ماشینآلات, -- ماشین آلات
Classification :
TE
۲۲۳
/
ت
۴
ھ
۹ ۱۳۴۷