禁區 圖片素材 (照片／插圖) 第1頁

在乾淨的工作台上工作的研究員

實驗室開發實驗室臨床檢驗生物技術新藥

實驗室開發實驗室臨床檢驗生物技術新藥

實驗室開發實驗室臨床檢驗生物技術新藥

Red and white no entry traffic sign

醒目地展示英文和日文的「禁止車輛通行」標誌。

圍欄限制

禁止入內警告圖片，路障膠帶，施工或犯罪現場風格向量背景

Wet Floor Warning Sign and Caution Tape on Misty Forest Trail in Xitou Taiwan

Red prohibition sign indicating no smoking, with a white cigarette and smoke symbol

覆蓋著常春藤的鐵絲網圍欄

No Pets Allowed Sign with Paw Print Symbol

落日的天空和鐵絲網

Oil drums a warning

Access Denied Security Restriction Seal Badge Vector Illustration

Red prohibition sign indicating no smoking, with a white cigarette and smoke symbol

Barbed wire fence marking a secured restricted area in Hostivice

Yellow caution sign with prohibition symbol and text warning to keep off rocks

Radioactive Hazard Sign Behind Rusty Barbed Wire Fence 3d render.

一個被鐵絲網包圍的儲氣罐設施。

紅色錐形

Unlicensed stamp grunge texture red background illegal unauthorized forbidden permit lacking.

Caution Do Not Enter Warning Signs Set With Hand Stop Symbols and Prohibition Icons

Important collection of prohibition signs indicating no fire, sparks, or igniting objects in designated safety controlled zones

鐵絲網圍欄

Radioactive Hazard Sign Behind Rusty Barbed Wire Fence 3d render.

Radioactive Hazard Sign Behind Rusty Barbed Wire Fence 3d render.

白牆前的鐵絲網

在居民區內設置的臨時鐵絲網圍籬（路障）

Radioactive Hazard Sign Behind Rusty Barbed Wire Fence 3d render.

Radioactive Hazard Sign Behind Rusty Barbed Wire Fence 3d render.

生鏽的鐵絲網

Confidential stamp icon with grunge rubber text

Radioactive Hazard Sign Behind Rusty Barbed Wire Fence 3d render.

Radioactive Hazard Sign Behind Rusty Barbed Wire Fence 3d render.

Miniature Figure Surrounded By Safety Barriers

Rough textured red rubber stamp mark with secured entry text for restricted access notices

Radioactive Hazard Sign Behind Rusty Barbed Wire Fence 3d render.

鐵絲網圍欄

Radioactive Hazard Sign Behind Rusty Barbed Wire Fence 3d render.

Four prohibition signs for safe material handling, indicating restrictions on storing items on racks or obstructing pathways

落日的天空和鐵絲網

Red distressed rubber stamp with text PRIVATE SERVER indicating restricted access for data security purposes

Radioactive Hazard Sign Behind Rusty Barbed Wire Fence 3d render.

Radioactive Hazard Sign Behind Rusty Barbed Wire Fence 3d render.

Radioactive Hazard Sign Behind Rusty Barbed Wire Fence 3d render.

Distressed red rubber stamp effect showing the important message SECURED ROOM for safety protocols and restricted access

Cancelled stamp icon with grunge rubber

Illustration of Restricted Area

A red grunge rubber stamp showing PRIVATE CONSTRUCTION SITE, emphasizing a restricted area for building activities

Distressed red rubber stamp mark conveying a strict private property no trespassing message

Two distinct prohibition signs indicating no showering, suitable for areas where water use or washing is restricted

Red rectangular stamp impression with SAFE ENTRY text, featuring a distinctive weathered grunge texture effect

Grungy red rubber stamp displaying RADIATION HAZARD alert for dangerous environmental conditions

Distressed textured rubber stamp with text ROOM RESTRICTED, indicating limited access or specific usage conditions

A prominent distressed rubber stamp clearly indicating limited access or a specific area under severe restriction

Rectangular text mark conveying ROOM ACCESS DENIED warning, indicating restricted entry to a designated area

Distressed red rubber stamp with the bold uppercase text SECURITY ZONE CLOSED indicating restricted access

Red distressed rubber stamp showing PRIVATE WORKSITE indicating a restricted construction or work area

A comprehensive collection of vector prohibition signs covering financial security, weapons, and access control

Two orange and white traffic cones on road blocking access safety warning construction zone concept.

A red rectangular textured rubber stamp with the bold phrase property under surveillance for security warnings

A red grunge rubber stamp with the text PRIVATE COMMUNITY, indicating an exclusive residential area

Caution site entrance warning sign on perimeter fence

Distressed rectangular rubber stamp illustration featuring the text secured door, signifying restricted access or protected entry

Vector 3d No Mobile Phone Sign with Smartphone Icon. Red Prohibition Phone Sign for No Cell Phone Areas, Phone Camera Restriction Rules, Warning Notices, Public Place Policies

Red Prohibition No Symbol Sign On White Background - Ban, Stop, No Entry Icon

Prohibition sign with gas cylinder. 3d rendering

A symbol prohibiting phone use at a strategic industrial infrastructure facility. Restrictions on smart devices at military facilities to prevent espionage and information leaks.

A red grunge rubber stamp text reading PRIVATE CAMPUS KEEP OUT, signifying restricted access to an educational area

Distinctive red grunge stamp with PRIVATE LAND KEEP OUT message, signifying explicit prohibition and warning

Security restricted area warning sign on fence

Red no exit sign with emergency exit only text

Red no entry traffic sign on an urban street

Keep locked shut and private signs on industrial stainless steel door

Work Safety Line Icon Set Featuring Personal Protective Equipment, Hazard Warnings, Emergency Signs, Construction Safety, And Workplace Protection Symbols. Editable Stroke Vector Icons For Industrial

Do Not Touch, warning sign hanging on crane hook. 3D rendering

Fenced area in the forest for felling. Forest care.

Wasp warning sign for stinging insect hazard. 3D rendering

Rusty barbed wire border restricts access across a stark, snowy winter landscape under bright sun

Staff Only sign suspended from crane hook with hazard border. 3D rendering

A drone flight ban sign against a military background. Restrictions on drone flights. No-fly zone. Airspace security control near defense facilities. Protection of strategic military zones

No Dogs Allowed Sign with Cartoon German Shepherd

Danger hazard area sign on a security fence

Access denied to unauthorized staff sign on a chain barrier

A stark winter scene with decaying fence posts buried in deep snow drifts, evoking themes of former Soviet labor camps and northern isolation

Keep Out warning sign suspended by crane hook. 3D rendering

Work Safety Solid Icon Set Features A Professional Collection Of Solid Vector Icons For Workplace Safety, Personal Protective Equipment, Hazard Prevention, Emergency Response, Construction Safety, And

Bright Orange Traffic Safety Cone with Reflective White Stripes on a Paved Pedestrian Street Surface

Vector 3d No Mobile Phone Sign with Smartphone Icon. Red Prohibition Phone Sign for No Cell Phone Areas, Phone Camera Restriction Rules, Warning Notices, Public Place Policies

A concrete wall with barbed wire against an overcast sky is a symbol of restriction and security.

Wooden sawhorses and caution tape cordon off an area beneath icicles danger on a snowy winter day

Rectangular blue no entry traffic sign on metal pole

Roadworks barrier with pedestrian warning sign on urban street construction site daytime scene

Rusty razor wire barrier posts pierce the pristine white winter landscape, marking a chilling, off-limits boundary in the frozen woods

Two Road Signs on Pole No Entry and Mandatory Direction Arrow

Passenger Airplane Landing on Runway Seen Through Barbed Wire Fence: Rear View of Aircraft with Extended Landing Gear, Aviation Security and Restricted Area Concept under Cloudy Sky

Orange warning light lens close up. Roadwork warning beacon behind a metal safety fence. Industrial safety and alert concept with color contrast and shallow depth of field.

Cautionary road signs, including "Men at Work" and "No Pedestrians," are displayed on a winter construction site, fenced and covered in snow

various property and restricted warrn signs set