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two engineers seen through a large pipeline shaft, metal industry
WWII Oil Storage Tunnel in Darwin, Australia.
A construction worker climbing down a crane ladder.
turbine a rotary mechanical device for the generation of energy and power
Underground construction
Civil engineer with orange reflective safety jacket working in a huge tube at construction site line
Wastewater industry, utilities, sewer, manholes
Technician inspecting wind power station
Dark sewer underground tunnel leading to an iron ladder stairs. Underground dark gold mine passage
Diggers in round underground tunnel of heating duct with rusty tubes.
Wind turbine engineer holding the ladder and protected with the lifeline and climbing fall. Security at work concept.
road tunnel construction on a highway, bypassing mountains and connection roads
Crewman directs shoreman, Esna locks, Esna, River Nile, Egypt. Originally constructed during the Ptolemaic era to control the flow of the Nile, it preserves and stores water for agriculture and improves navigation, Esna Lock and weir barrage connect the upper and lower parts of the river and are essential for transportation of passengers in river cruise ships and for freightThe River Nile has always and continues to be a lifeline for Egypt. Trade, communication, agriculture, water and now tourism provide the essential ingredients of life - from the Upper Nile and its cataracts, along its fertile banks to the Lower Nile and Delta. In many ways life has not changed for centuries, with transport often relying on the camel on land and felucca on the river
Climbing up the Stairs through the Tunnel of a Windmill Pole
Mechanical equipment in industrial plants
Male worker
Very old, from the year 1853, church tower and senior men observing wooden construction for heavy bronze bells.
worker or engineer working in factory with safety uniform , safety hat and safety glasses , image is safety concept or happy workplace
Three Workers Controlling  Sand and Stone Pit at Cement Factory
turbine shaft of a turbine, a rotary mechanical device for the generation of energy and power
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Roaring River State Park, Missouri USA July 2, 2005: The spillway at Roaring River State Park near Cassville, Missouri funnels cold spring water into Roaring River, one of Missouri's cold water state parks that are stocked with rainbow trout.
workers seen from above in concrete factory
Senior maintenance engineer wearing a reflective vest and using a walkie-talkie while working with a blueprint drawing at a large water tank in a construction site of the factory.
Low Angle View Interior Of Leaning Tower
Suicidal stunt walking on a thin rail hundred meters above the ground, point of view shot
Mechanical equipment in industrial plants
Manufacture of equipment for use in offshore oil drilling and production. Subsea crude oil christmas tree.
Free Images: "bestof:...Shaftmen at the mouth of the vertical test shaft for examination of substrata at Norris Dam site." - NARA - 532672.jpg Scope and content General notes 532672"
Lacrosse_5_spotted_over_TN_at_Norris_Dam..jpg
entrepreneur-job-classroom-engineer-1227088.jpg
dentist-dental-hygiene-healthcare-676421.jpg
tool-pregnancy-test-motherhood-317111.jpg
class-entrepreneur-preparation-job-1227090.jpg
doctor-patient-hospital-child-899037.jpg
jet-fighter-vertical-climb-640309.jpg
pallet-shelves-pallets-palleting-1227097.jpg
shelves-pallets-palleting-1227096.jpg
shelves-pallets-palleting-1227093.jpg
penny-profile-test-tread-wheel-600763.jpg
eat-feed-nibble-food-chew-mouth-722390.jpg
eat-feed-nibble-food-chew-mouth-722387.jpg
frontal-load-download-shelves-1227095.jpg
class-practice-retractable-shelves-1227100.jpg
class-practice-retractable-shelves-1227099.jpg
empty-exam-hall-deserted-nobody-314554.jpg
hypertension-high-blood-pressure-867855.jpg
blood-pressure-hypertension-1697286.jpg
Green-plants-in-a-row-of-test-tubes-with-water.jpg
aircraft-carrier-infirmary-hospital-1415925.jpg
8_x_8-inch_Pilot_Tunnel.jpg
Kranji_Reservoir's_dark_blue_water.jpg
Pieter_Brueghel_the_Elder_-_The_Dutch_Proverbs_-_Google_Art_Project.jpg
Shaftmen_at_the_mouth_of_the_vertical_test_shaft_for_examination_of_substrata_at_Norris_Dam_site,_October_1933.jpg
Arthur_Roberts_and_Sam_Mynatt_drilling_in_lateral_test_shaft_for_examination_of_substrata_at_base_of_Norris_Dam,_October_1933.jpg
Shaftmen_at_mouth_of_the_test_shaft_at_Norris_Dam_site,_October_1933.jpg
Sam_Mynatt,_shaftman_on_test_drilling_for_examination_of_substrata_at_Norris_Dam_site,_October_1933.jpg
Shaftmen_coming_out_of_test_shaft_at_Norris_Dam_site,_October_1933.jpg
Shaftmen_coming_out_of_the_test_shaft_at_Norris_Dam_site,_October_1933.jpg
Sam_Mynatt_and_Arthur_Roberts_drilling_in_lateral_test_shaft_at_base_of_Norris_Dam,_October_1933.jpg
A_view_of_the_test_drilling_shaft_and_the_shop_at_the_Norris_Dam_site_on_Clinch_River,_October_1933.jpg
Foreman_Clark_and_two_of_the_shaftmen,_Arthur_Roberts_and_Sam_Mynatt,_at_the_mouth_of_the_test_tunnel_at_Norris_Dam_site,_October_1933.jpg
Foreman_Clark_and_two_of_the_shaftmen,_Arthur_Roberts_and_Sam_Mynatt,_at_the_mouth_of_the_test_tunnel_at_Norris_Dam_site,_October_1933.jpg
Foreman_Clark_and_two_of_the_shaftmen,_Arthur_Roberts_and_Sam_Mynatt,_at_the_mouth_of_the_test_tunnel_at_Norris_Dam_site,_October_1933.jpg
Rock-drillers_working_in_lateral_shaft_at_base_of_Norris_Dam_site,_October_1933.jpg
Arthur_Roberts,_shaftman_on_test_drilling_at_the_Norris_Dam_site,_October_1933.jpg
Arthur_Roberts,_shaftman_on_test_drilling_work_at_the_Norris_Dam_site,_October_1933.jpg
Vertical line test.svg
Vertical-wavy-line-test.svg
Rock-driller_at_Norris_Dam_site,_October_1933.jpg
Cherry Mine disaster, crowd at mouth of shaft.jpg
Blacksmith_and_helper_at_Norris_Dam_site._The_Clinch_River_is_in_the_background,_October_1933.jpg
A_group_of_several_hundred_workers_at_Norris_Dam_construction_campsite_during_noon_hour,_November_1933.jpg
TVA_shovel_working_on_temporary_roadway_at_Norris_Dam_site,_October_1933.jpg
Curtis_Stiner_operating_circular_saw_at_the_Norris_Dam_site,_October_1933.jpg
Power_shovel_making_roadway_at_Norris_Dam_site,_October_1933.jpg
Power_shovel_at_work_on_roadway_at_Norris_Dam_site,_October_1933.jpg
A_group_of_several_hundred_workers_at_Norris_Dam_construction_camp_site_during_noon_hour,_November_1933.jpg
Power_shovel_on_roadway_on_hillside_at_Norris_Dam_site,_October_1933.jpg
Making_the_dirt_fly_at_Norris_Dam_site._A_power_shovel_working_on_the_roadway_at_the_Dam,_October_1933.jpg
TVA_shovel_at_work_on_roadway_at_Norris_Dam_site,_October_1933.jpg
Shovel_at_work_on_the_roadway_at_Norris_Dam_site,_October_1933.jpg
Power_shovel_at_work_on_roadway_at_Norris_Dam_site_on_the_Clinch_River._The_steep_hillsides_are_characteristic_of_the_general_topography_of_the_region,_October_1933.jpg
A_group_showing_some_of_the_men_working_at_Norris_Dam,_November_1933.jpg
Water_boy_and_two_workers_on_the_roadway_to_Norris_Dam_site,_October_1933.jpg
A_group_picture_showing_some_of_the_men_working_at_Norris_Dam,_November_1933.jpg
Another_view_of_power_shovel_making_roadway_on_hillside_at_Norris_Dam_site,_October_1933.jpg
Rock-driller_and_helper_drilling_in_rock_under_water_at_Norris_Dam_site,_October_1933.jpg
Informal_group_of_Assistant_Superintendents_and_Formen_at_the_Norris_Dam_site,_November_1933.jpg
Another_view_of_Curtis_Stiner_operating_a_circular_saw_at_the_Norris_Dam_site,_October_1933.jpg
Informal_group_of_Assistant_Superintendents_and_Foremen_at_the_Norris_Dam_site._In_the_background_is_the_Clinch_River,_November_1933.jpg
Workers_returning_from_construction_on_the_new_bridge_at_Norris_Dam_site_at_noon_hour,_November_1933.jpg
A_group_showing_some_of_the_men_working_at_Norris_Dam_site._In_the_rear_can_be_seen_the_warehouse_under_construction,_November_1933.jpg
dental-examination-dentist-doctor-31726.svg
H._R._Johnston,_Assistant_Engineer,_and_B._T._Clark_at_Norris_Dam_site,_November_1933.jpg
William_L._Carden,_of_Anderson_County,_Tennessee,_acetylene_burner_at_Norris_Dam_site,_October_1933.jpg
Getting_ready_for_the_mixer_to_pour_the_first_batch_of_concrete_at_Norris_Dam_site,_October_1933.jpg
Getting_ready_for_the_mixer_to_pour_the_first_batch_of_concrete_at_Norris_Dam_site._This_was_used_on_the_foundations_of_the_heavy_duty_bridge_over_the_Clinch_River_just_below_the_dam,_November_1933.jpg
Another_close-up_of_the_scoop_of_the_power_shovel_working_on_roadway_at_Norris_Dam_site,_October_1933.jpg
H._R._Johnston,_Assistant_Engineer,_and_B._T._Clark_at_Norris_Dam_site,_November_1933.jpg
Arthur_Roberts_and_Sam_Mynatt,_drilling_for_a_shot_in_boulder_in_roadway_at_Norris_Dam,_October_1933.jpg
The_home_of_Harriet_Hankins_in_the_area_of_the_proposed_town_at_Norris_Dam,_October_1933.jpg
S._P._Graves,_instrument_man,_working_on_new_construction_bridge_at_Norris_Dam,_October_1933.jpg
grade-examination-green-performance-156087.svg
graduation-graduate-student-happy-149646.svg
Hauling_logs_to_the_river_bank_to_be_sawed._The_trees_were_felled_above_Norris_Dam_site,_October_1933.jpg
Another_view_of_the_making_of_sorghum_molasses_on_the_Fred_Hatmaker_farm_in_the_Norris_Dam_reservoir_area,_October_1933.jpg
Interior_of_the_home_of_Harriet_Hankins_at_the_site_of_the_planned_community_near_Norris_Dam._Harriet_Hankins_is_73_years_old,_October_1933.jpg
The_Stooksberry_homestead_near_Andersonville,_Tennessee._This_land_will_be_submerged_by_the_Norris_Dam_Reservoir,_October_1933.jpg
examination-homework-correction-154709.svg
Pouring_the_first_batch_of_concrete_for_Crib_#1_on_the_heavy_duty_construction_bridge_at_Norris_Dam_site,_November_1933.jpg
A_group_of_workers_in_front_of_the_partially_constructed_warehouse_just_below_the_site_of_Norris_Dam,_November_1933.jpg
Esco_Glandon,_a_renter,_lives_at_Bridges_Chapel_on_land_that_will_be_islanded_by_the_Norris_Dam_reservoir,_October_1933.jpg
William_L._Carden,_of_Anderson_County,_Tennessee,_acetylene_burner,_cutting_pipe_at_Norris_Dam_site._The_helper_is_C.L._Hatmaker,_of_Campbell_County,_October_1933.jpg
Close-up_of_the_scoop_of_the_power_shovel_making_roadway_along_the_river_side_at_Norris_Dam_site,_October_1933.jpg
Mixing_the_first_batch_of_concrete_for_Crib_#1_on_the_heavy_duty_bridge_at_the_site_of_Norris_Dam,_just_below_the_Dam_itself,_November_1933.jpg
Family_group_of_Fletcher_Carden,_Route_#1,_Andersonville,_Tennessee,_a_night-watchman_at_the_bunkhouses_at_Norris_Dam,_November_1933.jpg
Exterior_view_of_Oakdale_School_near_Loyston,_Tennessee._This_immediate_region_will_be_flooded_when_the_Norris_Dam_Reservoir_fills,_October_1933.jpg
Constructing_the_temporary_warehouse_near_west_end_of_the_heavy_duty_bridge_at_the_site_of_Norris_Dam_on_the_Clinch_River,_November_1933.jpg
test-testing-sign-laboratory-670091.png
texture-wood-grain-material-test-1496906.jpg
Interior_of_the_home_of_Mrs._Jacob_Stooksbury._This_homestead_is_in_the_region_which_will_be_inundated_by_the_waters_of_the_Norris_Dam_reservoir,_November_1933.jpg
A_little_country_church,_Sharps_Station_M.E._Church,_near_Loyston,_Tennessee._This_church_will_be_submerged_by_the_waters_of_the_Norris_Dam_reservoir,_October_1933.jpg
Watermill_grinding_meal,_run_by_H._L._Nicely._This_old_mill_was_built_100_years_ago._All_of_this_region_will_be_deep_under_water_when_the_Norris_Dam_reservoir_fills,_November_1933.jpg
E._H._Elam,_interviewer_for_the_TVA,_making_personal_interviews_at_Stiner's_Store,_Lead_Mine_Bend,_Tennessee,_with_applicants_for_work_on_Norris_Dam,_November_1933.jpg
Up-to-date_method_of_making_molasses_on_the_farm_of_Fred_Hatmaker._This_farm_will_be_under_water_when_the_Norris_Dam_reservoir_fills,_October_1933.jpg
Grinding_sorghum_on_the_farm_of_J._W._Stooksberry,_Anderson_County,_Tennessee._This_land_will_be_inundated_by_the_waters_of_Norris_Dam_reservoir,_October_1933.jpg
dentist-dentistry-tools-mouth-927158.png
School_-_NARA_-_280225.jpg
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