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Two students work on sweating a joint during a class in AC installation and  repair
The view of open type exhaust gas scrubber treatment system on board a merchant ship at sea. This system is used to minimise pollution caused by funnel exhaust.
The worker checks the fuel gauge.
white pressure gauge is attached to a building pipe.
Houston, USA - 06 15 2023: Close view on fuel hose of bunker barge  on crane connected to container vessel in bunker station with valves and manifolds during transferring of diesel or bunkering.
Modern technologies and equipment for the production of industrial and manufacturing objects.
Steering gear. Rudder machine. Hydraulic pump. Marine engine. Steering room on big vessel.
Offshore platform equipment.
Mossel Bay, Southern Cape, South Africa, December 13,  2007.  Roughneck oil drilling workers prepare for the night shift on the rig, FA Platform,  off the cost of Mossel Bay.
Diesel engines and power installation inside a ship.
Machinery and equipment pipeline
Control Room in the old ship
Hospital boiler
Setubal, Portugal: portside battery of Mark 46 torpedoes on a frigate - a lightweight anti-submarine warfare torpedo, the NATO standard, these aerial torpedoes are designed to attack high-performance submarines - Portuguese Navy F330 NRP Vasco da Gama frigate - Photo was produced at a public location.
big engine propeller inside a merchant vessel
underground mine
Oil pipeline system on a warship carrying aircraft and oil pressure gauge
Ship's engine room
Equipment on the forward hull and deck of HMAS Arunta, an Anzac Class frigate of the Royal Australian Navy.  She is docked at Garden Island, Sydney Harbour, in preparation for an open day to the public during Navy Week, the first open day since the Covid pandemic.  This image was taken in the late afternoon from Woolloomooloo Bay on 25 February 2023.
Close up shot from the side of the petrol ship, Istanbul, Turkey
TCG Anadolu, built in Sedef Shipyard in Istanbul, is 230 meters (754 feet) in length and 32 m (105 ft) in width, and has an area of 9,200 square meters (99,028 sq-ft).\n\nSix helicopters can land or take off simultaneously, while uncrewed combat aerial vehicles can also be deployed at the ship's flight deck.\n\nThe ship, with a full-fledged hospital and two operation rooms, can host around 1,200 staff.\n\nIt has a capacity to carry 13 tanks, 27 marine assault vehicles, six armored personnel carriers, 15 trailers, and 33 various vehicles.
Close view of the crude oil tanker's engine room.
Vessel's ( Ship ) Engine Room Space - Purifier Room
Close-up copper fittings and boiler of coffee machine
Long perspective technical passageway and thick watertight bulkhead inside the ship
Ship's engine room
Outside and inside of a diesel locomotive of the Deutsche Bundesbahn
Boiler Room - Data View
Saint Petersburg-Russia - 10.09.2021: The boiler is titanium in a railway car. A device for boiling water in a train.
Cargo skip shaft of an underground mine
Free Images: "bestof:Alpha boiler during an engineering training team exercise aboard the amphibious command ship USS Blue Ridge.jpg en PACIFIC OCEAN Sept 15 2009 Machinist's Mate"
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