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Stainless steel castings
A vintage classic oscilloscope machine on an isolated background - 3D render
Commercial cooking equipment for restaurants
Air purifier high efficiency filter. PM 2.5 concept. HEPA filter for health, hypoallergenic, dustproof, antivirus, antivirus and bacteria
air conditioning cleaning service with air blower
close shot from an opened modern Personal Desktop Computer, small depth of field, monochrom
Close-up View Of Robot Arm Working On Semiconductor  Manufacturing On Production Line
Removing an old dirty air filter from a residential furnace. Woman's hand shown.
Sink drain with metal grid
Close-up of computer wafer on robotic arm at production line in cleanroom.
Metal sheet or plate part made from automatic and high precision laser cutting process in industrial at factory
Laser cut metal plate
Stereolithography DPL 3d printer create detail and liquid drips, platform slowly move with liquid close-up. Progressive modern additive technology 3D printing, create scaled model by UV polymerization
Machine oil cylinder close-up
Step 4 Detailed filter photos
Underfloor heating system in house renovation
A person wearing blue gloves is holding a heavily clogged dirty air filter in hands before replacing it with the new one. Paper based, card board frame plated filters are used in hvac, ac , furnaces.
Close-up of mechanical equipment parts
Photo frames stacked in tray designed to be used to provide slide show using projector.
Filter cartridge of an osmosis water filter system
Sweets factory. Sweets production process. Conveyor belt with sweets on it.
Male hands are installing a furnace air filter. This filter is not brand new but it is relatively clean, it was removed for inspection. This would be a typical filter style found in a high end newer house. The floor is epoxy painted concrete with traction chips and a floor drain.
Closeup of dirty dust air conditioner filter on wall. Home air conditioner maintenance. Dusty filter - cause malfunction and poor cooling, source of respiratory diseases
Shown are patterned 300 mm silicon wafers in a FOUP (front opening universal pod).  Electronic circuit designs have been built onto the wafers using micromaching including photolithography.  The FOUP is designed to interface with semiconductor processing equipment in a cleanroom fabrication facility.
The parts of An old DSLR Camera with black body color completed with its gears. Macrophotography style.
Old radiators
Object printed on metal 3d printer, laser sintering machine for metal close-up. A metal object sprinkled with metal powder after raising the platform into working chamber. DMLS, SLM, SLS technology.
Empty dishwasher with metal rack and container
Soft Focus to Filter of Air handing Unit, Technician checking a Medium -filter of air handling unit for replacement a new filter - HVAC maintenance
Close-up Power LED chip and refect
Free Images: "bestof:CLOSEUP OF AN EXPERIMENTAL SOLAR HEATING FLAT PLATE COLLECTOR USING BONDED HONEYCOMB MATERIAL FOR AN AIR HEATING SYSTEM - NARA - 557311.tif Scope and content"
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