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Inductive proximity sensor or proximity switch
Granddaughter supporting her grandmother. Hands close up.
Ringing twin bell vintage classic alarm clock Isolated on red and with the 15 minute city concept.
Proximity sensor for detect plastic bottle of automatic plastic film wrapping machine for water drink packing in industrial
Inductive proximity sensor or proximity switch installed on the machine

Free stock photosproximity (164)

Numbers one through six painted on lanes of weathered trackImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/numbers-six-painted-lanes-weathered-track-1102385">Image used under license from Freestock.com</a>
Series of parallel pipes, each with 90-degree turn, along whitewashed brick wallImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/series-parallel-pipes-90degree-turn-whitewashed-1944501">Image used under license from Freestock.com</a>
Green tees standing like tall grass around white golf ballImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/green-tees-standing-tall-grass-white-2424520">Image used under license from Freestock.com</a>
Sunglasses on map of FloridaImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/sunglasses-map-florida-500640">Image used under license from Freestock.com</a>
White rook topples against black rook on chessboardImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/white-rook-topples-black-rook-chessboard-74870305">Image used under license from Freestock.com</a>
Sign in English and Spanish: "No lifeguard on duty"Image used under license from Freestock.com<a href="https://www.freestock.com/free-photos/sign-english-spanish-lifeguard-duty-31883296">Image used under license from Freestock.com</a>
Row of portable toiletsImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/row-portable-toilets-544961">Image used under license from Freestock.com</a>
Pattern of opaque glass backlit by two different light bulbsImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/pattern-opaque-glass-backlit-two-different-71561401">Image used under license from Freestock.com</a>
Two knots in wooden post with curvilinear cracksImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/two-knots-wooden-post-curvilinear-cracks-1151937">Image used under license from Freestock.com</a>
Hotel bottles of shampoo on reflective surfaceImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/hotel-bottles-shampoo-reflective-surface-1744929">Image used under license from Freestock.com</a>
Environmental landscape in mid October, with lake and reeds in foreground and two rows of transmission towers receding across forest preserve in northern IllinoisImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/environmental-landscape-mid-october-lake-reeds-63020245">Image used under license from Freestock.com</a>
Muddy practice ball by hole on golf courseImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/muddy-practice-ball-hole-golf-course-1127257">Image used under license from Freestock.com</a>
Round ends of rigid electrical conduitImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/ends-rigid-electrical-conduit-3272668">Image used under license from Freestock.com</a>
White packing peanutsImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/white-packing-peanuts-2084836">Image used under license from Freestock.com</a>
Two snow-covered benches by a tennis court under snowImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/two-snowcovered-benches-tennis-court-snow-22589875">Image used under license from Freestock.com</a>
Two pairs of rimless reading glasses facing each other on dark, reflective surfaceImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/two-pairs-rimless-reading-glasses-facing-61548895">Image used under license from Freestock.com</a>
Bricks of various colors and conditions in a stackImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/bricks-various-colors-conditions-stack-1137693">Image used under license from Freestock.com</a>
Close-up of outdoor column with sandstone facingImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/closeup-outdoor-column-sandstone-facing-1079069">Image used under license from Freestock.com</a>
Cartons of blueberries at farmer's marketImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/cartons-blueberries-farmers-market-1563966">Image used under license from Freestock.com</a>
Clustered bursts of multicolored fireworksImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/clustered-bursts-multicolored-fireworks-36820036">Image used under license from Freestock.com</a>
Group of beach umbrellas, Clearwater Beach, FloridaImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/group-beach-umbrellas-clearwater-beach-florida-31883272">Image used under license from Freestock.com</a>
Intense reddish orange bursts of fireworks close togetherImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/intense-reddish-orange-bursts-fireworks-close-36674722">Image used under license from Freestock.com</a>
Intense bursts of fireworks with rocket trails and copy space, off centerImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/intense-bursts-fireworks-rocket-trails-copy-36674725">Image used under license from Freestock.com</a>
Multicolored fireworks finale in a small section of night skyImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/multicolored-fireworks-finale-small-section-night-54746104">Image used under license from Freestock.com</a>
Two bursts of reddish orange fireworks, the larger one with yellowish white tips by fading red sparks at rightImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/two-bursts-reddish-orange-fireworks-larger-37135657">Image used under license from Freestock.com</a>
Row of water bottlesImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/row-water-bottles-1523435">Image used under license from Freestock.com</a>
Danger sign on fence above eroded beach on Cape CodImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/danger-sign-fence-eroded-beach-cape-140280262">Image used under license from Freestock.com</a>
Soles of running shoes and their reflectionsImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/soles-running-shoes-reflections-1584303">Image used under license from Freestock.com</a>
Three golf balls near the pinImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/three-golf-balls-pin-1131442">Image used under license from Freestock.com</a>
Community garden plots laid out with wooden stakes and twine and stringImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/community-garden-plots-laid-wooden-stakes-52304251">Image used under license from Freestock.com</a>
Two sets of venetian blinds side by sideImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/two-sets-venetian-blinds-side-side-2388664">Image used under license from Freestock.com</a>
Corner of locker roomImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/corner-locker-room-1037698">Image used under license from Freestock.com</a>
Storm cloud blocking sun high in the sky, mid day, black and whiteImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/storm-cloud-blocking-sun-high-sky-3437921">Image used under license from Freestock.com</a>
Many yachts in marina, city and mountains beyond, Santa Barbara, CaliforniaImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/yachts-marina-city-mountains-santa-barbara-3010041">Image used under license from Freestock.com</a>
Scenic abstract of tide pool meandering across sandy beach toward surf along Pacific coast of Olympic Peninsula in the state of Washington, USA, for marine or environmental themesImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/scenic-abstract-tide-pool-meandering-sandy-333624299">Image used under license from Freestock.com</a>
Yellow chair with sun motif overlooking lake on a rainy dayImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/yellow-chair-sun-motif-overlooking-lake-1301130">Image used under license from Freestock.com</a>
Start of fireworks finaleImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/start-fireworks-finale-35935336">Image used under license from Freestock.com</a>
Two sailboats at anchor near shore at dawnImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/two-sailboats-anchor-shore-dawn-1949710">Image used under license from Freestock.com</a>
Roof of greenhouse reflected in campus window -- Elgin Community College, Elgin, IllinoisImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/roof-greenhouse-reflected-campus-window-elgin-31883320">Image used under license from Freestock.com</a>
Burst of pinkish fireworks above two smaller blue onesImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/burst-pinkish-fireworks-two-smaller-blue-35935231">Image used under license from Freestock.com</a>
Abstract of white and yellow daffodils by garden wall in springtimeImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/abstract-white-yellow-daffodils-garden-wall-329140466">Image used under license from Freestock.com</a>
Under the influence: Wavy wooden dock by water reflecting light from the rising sun, for themes of fluidity or altered states of mindImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/influence-wavy-wooden-dock-water-reflecting-307003505">Image used under license from Freestock.com</a>
Skyscraper reflecting pigeon in flight and morning skyImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/skyscraper-reflecting-pigeon-flight-morning-sky-1885814">Image used under license from Freestock.com</a>
Abstract aerial view of downtown skyscrapers, in black and white, for urban or architectural themesImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/abstract-aerial-view-downtown-skyscrapers-black-310037279">Image used under license from Freestock.com</a>
Pickles at farmer's marketImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/pickles-farmers-market-1557383">Image used under license from Freestock.com</a>
Sailboat dreams (one of a series): Varicolored abstract of sailboats tied up at marina dock, with reflections of masts and clouds on calm waterImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/sailboat-dreams-series-varicolored-abstract-sailboats-323414006">Image used under license from Freestock.com</a>
Skyscrapers in the countryside: Wind turbines on wintry farmland in IllinoisImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/skyscrapers-countryside-wind-turbines-wintry-farmland-92855431">Image used under license from Freestock.com</a>
Night for nautical day: View of marina and skyline in Chicago, Illinois, USA, digitally altered for nocturnal effectImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/night-nautical-day-view-marina-skyline-289825886">Image used under license from Freestock.com</a>
Shadow of bicycle stand on brick wall of public libraryImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/shadow-bicycle-stand-brick-wall-public-37614358">Image used under license from Freestock.com</a>
Row of picnic tables, grills, and garbage cans in public park along coastlineImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/row-picnic-tables-grills-garbage-cans-2887947">Image used under license from Freestock.com</a>

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