Image credits

Product and category photographs are illustrative stock images sourced via Openverse under Creative Commons licences (CC BY, CC0) or the Public Domain Mark. Images have been cropped and resized. We thank the photographers below.

• Grand Canyon NP: Bright Angel Trailhead Project 0318by Grand Canyon NPSCC BY 2.0 · via flickr
• Best Bathroom Wall Tiles And Flooring Ideasby flooringclarityCC BY 2.0 · via flickr
• Long Island Wildlife Refuge Complex - Corn Crib during roof repairby U. S. Fish and Wildlife Service - Northeast RegionPublic Domain Mark · via flickr
• Aggregate sand pile on the former GM engine block manufacturing plant propertyby umseasCC BY 2.0 · via flickr
• Concrete mixing plantby billjacobus1CC BY 2.0 · via flickr
• Wooden Doorsby Smabs Sputzer (1956-2017)CC BY 2.0 · via flickr
• Pylonby Mr MossCC BY 2.0 · via flickr
• Copper Pipesby johncarljohnsonCC BY 2.0 · via flickr
• Typical Provence-style roof tilesby DanoCC BY 2.0 · via flickr
• 7Line_5112by MTAPhotosCC BY 2.0 · via flickr
• Longfellow Bridge: Span 10 Rebarby MassDOTPublic Domain Mark · via flickr
• Designer Bathroom Wall Tiles Ideasby flooringclarityCC BY 2.0 · via flickr
• table of hand toolsby joncutrerCC0 1.0 · via flickr
• Installing of waterproofing membrane in Harold Interlocking. 06-12-20by MTA C&D - EAST SIDE ACCESSCC BY 2.0 · via flickr
• Construction Worker Houston Texas 1by billjacobus1CC BY 2.0 · via flickr
• Construction timeby andrechinnCC BY 2.0 · via flickr
• CDE factory under constructionby CDEGlobalCC BY 2.0 · via flickr
• Sand Pileby cogdogblogCC0 1.0 · via flickr
• Gravel Textureby wwarbyCC BY 2.0 · via flickr
• Gravel Textureby wwarbyCC BY 2.0 · via flickr
• Gravel - Pebble - Ghiaiaby euartCC BY 2.0 · via flickr
• Obsidian & devitrified obsidian gravel (Obsidian Cliff, Yellowstone, Wyoming, USA) 1by James St. JohnCC BY 2.0 · via flickr
• sand pile 1by zaphad1CC BY 2.0 · via flickr
• Bellingdon brickworks brick piles 3by BlythwoodCC BY 4.0 · via wikimedia
• Bellingdon brickworks brick pilesby BlythwoodCC BY 4.0 · via wikimedia
• concrete blocksby Photos by Portland_MikeCC BY 2.0 · via flickr
• At the Brick Pileby AJ Photographic ArtCC BY 2.0 · via flickr
• Brick Pileby carmichaellibraryCC BY 2.0 · via flickr
• Brick Piles and Ruinsby pasa47CC BY 2.0 · via flickr
• Close up of stacked cement bagsby Ivan RadicCC BY 2.0 · via flickr
• Stacked cement paper bagsby Ivan RadicCC BY 2.0 · via flickr
• Cement bags in Doumaby Alex.Simon89CC BY 4.0 · via wikimedia
• Unused concrete mixby rynosoftCC BY 2.0 · via flickr
• Mack Graniteby JLaw45CC BY 2.0 · via flickr
• Sias On-Campus Concrete Mixing Stationby Gary Lee Todd, Ph.D.CC0 1.0 · via flickr
• Wooden door with 18 circular portholesby =Nahemoth=CC BY 2.0 · via flickr
• wooden doorby _gee_CC BY 2.0 · via flickr
• window framedby wheezinggirlCC BY 2.0 · via flickr
• loft window framedby wheezinggirlCC BY 2.0 · via flickr
• Antique wooden doorby prague.czech.photoCC BY 2.0 · via flickr
• 20110504-RD-LSC-0483by USDAgovCC BY 2.0 · via flickr
• Clip endsby oskayCC BY 2.0 · via flickr
• Switchby lamdogjunkieCC BY 2.0 · via flickr
• Cables - The Missing Link - Desktop Audio Upgrade Part 2by Jordanhill School D&T DeptCC BY 2.0 · via flickr
• Shadow playby Lua AhmedCC BY 2.0 · via flickr
• Internet wiringby nicolasnovaCC BY 2.0 · via flickr
• Bad Z-Stepper Cableby syvwlchCC BY 2.0 · via flickr
• Bin of 10 Penny Nails at the hardware storeby WereOutThereCC BY 2.0 · via flickr
• Nailsby Accretion DiscCC BY 2.0 · via flickr
• Door Hingeby jeffkCC BY 2.0 · via flickr
• German door hinge. 1976... to crop is to remove part of latch.by mcdolan79CC BY 2.0 · via flickr
• church door hingesby MuffetCC BY 2.0 · via flickr
• Those terrible screw-bolts.by Ken_MayerCC BY 2.0 · via flickr
• Open Soy Paint Cansby UnitedSoybeanBoardCC BY 2.0 · via flickr
• Top view of a roller covered with paint on a bucket. The floor is covered with nylon to protect it from splashingby Ivan RadicCC BY 2.0 · via flickr
• Open Soy Paint Canby UnitedSoybeanBoardCC BY 2.0 · via flickr
• Freshly painted green roomby Foto Miki DigitalPublic Domain Mark · via flickr
• Open Soy Paint Cansby UnitedSoybeanBoardCC BY 2.0 · via flickr
• 2806by Los Angeles County ArboretumCC BY 2.0 · via flickr
• Standard Copper pipe to multiple plastic microbore for distributionby Rob PearceCC BY 2.0 · via flickr
• Discarded dirty plumbing pipesby Matthew Paul ArgallCC BY 2.0 · via flickr
• Hand holding a grey PVC elbow pipe fitting on a rural roadby appealdahalCC0 1.0 · via wordpress
• CM014A - A3047 UPS Room - Copper Piping, Valves Installation for Chilled Water System, Feed to Fan Coil Unit 0(4-28-2014by MTA C&D - EAST SIDE ACCESSCC BY 2.0 · via flickr
• Plumbing Pipe Wrench Plumber Edited 2020by chimpwithcanCC BY 2.0 · via flickr
• 3D printed pipe fittingby Field ReadyCC BY 2.0 · via flickr
• CM014A - Madison Yard - Setting Corrugated Roof Decking in Cart and Communication Rooms (08-27-2014)by MTA C&D - EAST SIDE ACCESSCC BY 2.0 · via flickr
• Lines Within Linesby Roy ListerCC BY 2.0 · via flickr
• BORACAY CORRUGATED ROOFby Michael Francis McCarthyCC BY 2.0 · via flickr
• roof tiles Nerjaby Waka JawakaCC BY 2.0 · via flickr
• Slate Roof Tiles - Brian Eno Speaker Flowers Sound Installation at Marlborough Houseby Dominic's picsCC BY 2.0 · via flickr
• Free Texture: Italian Roof Tiles 1by Collin KeyCC BY 2.0 · via flickr
• Museum of Communicationsby Cargo CultCC BY 2.0 · via flickr
• Construction Toolsby The World is a StageCC0 1.0 · via stocksnap
• A new generation of industrial leadersby DFID - UK Department for International DevelopmentCC BY 2.0 · via flickr
• N Yorks Carrie Nicole1by btphotosbdukCC BY 2.0 · via flickr
• 7Line_5149by MTAPhotosCC BY 2.0 · via flickr
• Obrerosby Daquella maneraCC0 1.0 · via flickr
• A clean sinkby Helga's Lobster StewCC BY 2.0 · via flickr
• Faucetsby Phil RoederCC BY 2.0 · via flickr
• Bathroom 4by Lyn LomasiCC BY 2.0 · via flickr
• Bathroom... 98.9% near doneby juhansoninCC BY 2.0 · via flickr
• shower-headby Spring DewCC BY 2.0 · via flickr
• Rubi Shower Headby CarlosPachecoCC BY 2.0 · via flickr
• Rusty steel reinforcement bars on concrete groundby Ivan RadicCC BY 2.0 · via flickr
• A elder man biking by rebar construction, backhoe, Renovating the streets of Guadalajara, open dangers and nobody worrieby WonderlaneCC BY 2.0 · via flickr
• 2014_07_08 Harvard Street Bridge Retaining Wall Extension Footing Rebarby MassDOTPublic Domain Mark · via flickr
• Longfellow Bridge, Downstream Span 10 Rebar (September 14, 2017)by MassDOTPublic Domain Mark · via flickr
• Steel Worker Houston Texas 1by billjacobus1CC BY 2.0 · via flickr
• A walk in 186 metersby @TuncayCC BY 2.0 · via flickr
• Brown floor tile patternby UnknownCC0 1.0 · via rawpixel
• New Designer Bathroom Wall Tiles Design Ideasby flooringclarityCC BY 2.0 · via flickr
• Fantastic Small Bathroom Ideas With Porcelain Tilesby flooringclarityCC BY 2.0 · via flickr
• Gray Marble Floorby shaire productionsCC BY 2.0 · via flickr
• Tile Floorby Mike_SheardCC BY 2.0 · via flickr
• Master Bathroom Ideas With Porcelain Tilesby flooringclarityCC BY 2.0 · via flickr
• Ryobi power drill screwdriverby missellyrhCC BY 2.0 · via flickr
• table of hand toolsby joncutrerCC0 1.0 · via flickr
• Flowers and Power Drillby YortwCC BY 2.0 · via flickr
• Free constructions tools tableby UnknownCC0 1.0 · via rawpixel
• Drill Bits with Other Construction Toolsby Russ TAHCC BY 2.0 · via flickr
• Few Construction Toolsby Russ TAHCC BY 2.0 · via flickr
• CM013A - East Plenum Roof Waterproofing (01-31-2015)by MTA C&D - EAST SIDE ACCESSCC BY 2.0 · via flickr
• NRC inspector testing the waterproof membraneby NRCgovCC BY 2.0 · via flickr
• Waterproofing membrane for the sidewalk restoration in front of the 44th Street ventilation facility. (CM014B, 07-10-201by MTA C&D - EAST SIDE ACCESSCC BY 2.0 · via flickr
• Painting on the waterproof membraneby jennifrogCC BY 2.0 · via flickr
• CM014A - West Side of RA Wall Zone 3 - Prepping Subway Roof Opening for Waterproofing Membrane (12-11-2013)by MTA C&D - EAST SIDE ACCESSCC BY 2.0 · via flickr
• Waterproof membrane that will serve as an epoxy for the installation of terrazzo tile flooring for the future LIRR passeby MTA C&D - EAST SIDE ACCESSCC BY 2.0 · via flickr
• Elvin Fajardo Stacks up the Panelsby Reuse Warehouse HoustonCC BY 2.0 · via flickr
• IMG_7125.jpgby Hello Turkey ToeCC BY 2.0 · via flickr
• Wood Material Background Wallpaper Texture Conceptby Rawpixel LtdCC0 1.0 · via flickr
• Rustic wood board with nailsby Rinet ITCC BY 2.0 · via flickr
• Sawingby Phil GradwellCC BY 2.0 · via flickr
• Rosie watching the carpenter working on a project, sheets of plywood, holding a toy stuffed Bam-Bam, she's doing everythby WonderlaneCC0 1.0 · via flickr