Group of men and women exploring an underground cave making their way along a rocky tunnel or shaft by the light of headlamps.
Speleologists or geologists checking a cave
Exploring Glace Bay's Historic Coal Mine with a Young Family
Ventilation shaft in ancient subterranean
Out of the narrow cave into the light
Cutting stainless steel pipe process. Creative. The band saw for industrial cutting the metal stainless pipe and using the coolant heating.
A survived miner is going through the shaft
Old abandoned Welsh Coal Mine Pit Gear
Old coal mine elevator and slag heaps on a cloudy day. Vintage coal mining shaft building, weathered factory and constructions. Fossil fuel and minerals mining heavy industry landscape with terrikons.
Internal combustion engine. Driving shaft
Rottweil, 15th of August 2022, Germany. The TK Elevator Test Tower is an elevator test tower. 246 meters or 807 feet high. high speed elevator test chamber building. Aerial drone overhead view.
An Old Dark Coal Mine Deep Inside The Earth In Glace Bay Nova Scotia
Dark Underground Tour Of Glace Bay Coal Mines In Cape Breton
Diesel main engine of ropeway
A huge workshop at the iron ore processing plant
A huge complex machine at a metallurgical plant
Close-up. Dyeing Machine. Paper Passes Through Shafts. On An Industrial Machine Spinning Shafts. Work Of Mechanical Parts, Mechanisms.
Close Up View Of An Escalator Steps
People On A Tour Of A Dark Coal Mine In Glace Bay Nova Scotia
Tractor Shaft Rotating Single Belt Underground Welding Water Pump Machine 9
Construction workers walking into a large tunnel
Two women scientists in bio-hazard suits testing
Equipment on a factory
A serene stone wishing well in a lush forest
Classic Corinthian column with ornate capital.
Iron ore at the metallurgical plant
Construction workers walking out from a dark smoke filled tunnel
Unwinding A Large Rolls Of Paper In A Paper Mill.
Male speleologist was grabbed by the foot in the dark narrow cave - horror
SAN FRANCISCO - Circa October, 2016 - A personal perspective walking through the brick tunnels on Alcatraz Island.
Rotating shafts on a factory
CNC lathe machining carbon fiber
Scientist pointing to mineral deposits in a cave
Close up footage of rotating main rotor of helicopter after landing. Engine cover, roof and rotor against clouds in sky. Airport and
Rotating red flywheel on ropeway mashine room
Aerial moving footage of a coal mine surrounded by woods
Paper Making Machine. Paper Factory.
Woman in protective clothing wearing a helmet, mask and illuminated head lamp working underground with a team of colleagues taking notes on a clip board in the darkness in underground tunnel or cave.
Rotating red flywheel on ropeway mashine room
The Boat's Underwater Rudder and Propeller
silhouette of many construction workers walking out from a large tunnel
Rotating red flywheel on ropeway mashine room
Car Mechanic Working In The Garage. Close-up.
Transmission belt and rotating wheels on automatic production line closeup. Machine tool operating mechanism. Manufacturing plant technology
Abandoned mining complex in the Jiu Valley - Romania