Sponsored photos by

Workers take care safety of people working in confined spaces.
Worker female hand holding gas detector inspection safety gas testing at front manhole tank chemical to work inside confined space
The male worker enters the tank fitted with a ventilation system during the work
Confined space caution information sign, the work permit was requested for working in this area, industrial working safety sign, object photo.
Confined space warning sign permit entry by permit only and red barricade danger tape, yellow caution tape gas test leak atmosphere with defocused confined space permit book template, pen  background

Free stock photosconfines (56)

Staggered lane numbers on rubberized surface of all-weather running trackImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/staggered-lane-numbers-rubberized-surface-allweather-87768805">Image used under license from Freestock.com</a>
Lane ropes in outdoor swimming poolImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/lane-ropes-outdoor-swimming-pool-3222399">Image used under license from Freestock.com</a>
The End chalk emblem written on a blackboardImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/end-chalk-emblem-written-blackboard-429535669">Image used under license from Freestock.com</a>
The End rubber stamp with grunge textureImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/end-rubber-stamp-grunge-texture-362954462">Image used under license from Freestock.com</a>
Yellow seat with black safety bar on carnival rideImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/yellow-seat-black-safety-bar-carnival-31883329">Image used under license from Freestock.com</a>
Ending rubber stamp with grunge textureImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/ending-rubber-stamp-grunge-texture-392363464">Image used under license from Freestock.com</a>
Tilted view of curve in eight-lane track for collegiate runnersImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/tilted-view-curve-eightlane-track-collegiate-50721880">Image used under license from Freestock.com</a>
The End chalk emblem written on a blackboardImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/end-chalk-emblem-written-blackboard-356441567">Image used under license from Freestock.com</a>
The End gold emblem or badgeImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/end-gold-emblem-badge-342102197">Image used under license from Freestock.com</a>
The End chalkboard emblem written on a blackboardImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/end-chalkboard-emblem-written-blackboard-338332700">Image used under license from Freestock.com</a>
The End grunge sealImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/end-grunge-seal-318148556">Image used under license from Freestock.com</a>
Ending money style rosetteImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/ending-money-style-rosette-351158255">Image used under license from Freestock.com</a>
The End gold badgeImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/end-gold-badge-335182676">Image used under license from Freestock.com</a>
The End shiny badgeImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/end-shiny-badge-300502643">Image used under license from Freestock.com</a>
The End retro style card, banner or posterImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/end-retro-style-card-banner-poster-318615422">Image used under license from Freestock.com</a>
Complexity of boundary lines in community gardenImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/complexity-boundary-lines-community-garden-78437407">Image used under license from Freestock.com</a>
Ending draw with pencil effectImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/ending-draw-pencil-effect-427041352">Image used under license from Freestock.com</a>
The End grunge sealImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/end-grunge-seal-428375608">Image used under license from Freestock.com</a>
Ending rubber sealImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/ending-rubber-seal-420016447">Image used under license from Freestock.com</a>
Ending with rubber seal textureImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/ending-rubber-seal-texture-423941677">Image used under license from Freestock.com</a>
The End with rubber seal textureImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/end-rubber-seal-texture-425358232">Image used under license from Freestock.com</a>
Ending vintage wood emblemImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/ending-vintage-wood-emblem-417784819">Image used under license from Freestock.com</a>
Ending badge with denim backgroundImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/ending-badge-denim-background-422179801">Image used under license from Freestock.com</a>
Ending retro style wooden emblemImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/ending-retro-style-wooden-emblem-429023230">Image used under license from Freestock.com</a>
The End rubber grunge texture stampImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/end-rubber-grunge-texture-stamp-426774943">Image used under license from Freestock.com</a>
Ending rubber seal with grunge textureImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/ending-rubber-seal-grunge-texture-405369985">Image used under license from Freestock.com</a>
Ending grunge sealImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/ending-grunge-seal-375341749">Image used under license from Freestock.com</a>
The End on chalkboardImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/end-chalkboard-420348808">Image used under license from Freestock.com</a>
The End on blackboardImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/end-blackboard-381874216">Image used under license from Freestock.com</a>
The End chalk emblemImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/end-chalk-emblem-419412826">Image used under license from Freestock.com</a>
Ending rubber stamp with grunge textureImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/ending-rubber-stamp-grunge-texture-386754232">Image used under license from Freestock.com</a>
Ending gold badgeImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/ending-gold-badge-431989894">Image used under license from Freestock.com</a>
Ending chalkboard emblemImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/ending-chalkboard-emblem-428373562">Image used under license from Freestock.com</a>
Ending wood emblemImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/ending-wood-emblem-418326271">Image used under license from Freestock.com</a>
The End grunge style stampImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/end-grunge-style-stamp-392361298">Image used under license from Freestock.com</a>
The End rubber seal with grunge textureImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/end-rubber-seal-grunge-texture-386310118">Image used under license from Freestock.com</a>
Ending with rubber seal textureImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/ending-rubber-seal-texture-388873282">Image used under license from Freestock.com</a>
The End posterImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/end-poster-365278379">Image used under license from Freestock.com</a>
The End chalkboard emblemImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/end-chalkboard-emblem-422172466">Image used under license from Freestock.com</a>
Ending written on a chalkboardImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/ending-written-chalkboard-424668625">Image used under license from Freestock.com</a>
Ending wood icon or emblemImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/ending-wood-icon-emblem-430161208">Image used under license from Freestock.com</a>
Ending rubber sealImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/ending-rubber-seal-387847840">Image used under license from Freestock.com</a>
Ending written on a blackboardImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/ending-written-blackboard-427476079">Image used under license from Freestock.com</a>
The End grunge stampImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/end-grunge-stamp-323566295">Image used under license from Freestock.com</a>
The End rubber grunge stampImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/end-rubber-grunge-stamp-364299383">Image used under license from Freestock.com</a>
Ending chalkboard emblem written on a blackboardImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/ending-chalkboard-emblem-written-blackboard-391799023">Image used under license from Freestock.com</a>
The End grunge stampImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/end-grunge-stamp-364053476">Image used under license from Freestock.com</a>
Ending money style rosetteImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/ending-money-style-rosette-370582841">Image used under license from Freestock.com</a>
The End rosetteImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/end-rosette-371277739">Image used under license from Freestock.com</a>
The End gold shiny badgeImage used under license from Freestock.com<a href="https://www.freestock.com/free-photos/end-gold-shiny-badge-335183645">Image used under license from Freestock.com</a>