7,362 免費圖片適用於危險

自然警告黃色背景黑色動物細節墜落生態環境野生動物

Danger Mark

A still life of castor bean, Ricinus communis containing the water soluble, highly toxic poison known as ricin. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

Small inedible mushrooms

醫療藥物食物

Brown Tiger

野生動物動物

Spray painted leaves

Atomic Power Station

天時熱工藝

The Tree of Wishes

Invisible Girl

孩子們森林

Fly Amanita Mushroom

醫療藥物食物

Toadstool Mushroom

醫療藥物自然

Bear

Closed

Sign (Entrapment hazard)

Sign (Explosion risk)

Winy Mushroom

醫療藥物自然

Cooling towers of nuclear power plant

天時熱工藝

Asteroid

小行星外太空

Magical Mushrooms

醫療藥物自然

Woman playing hide and seek

Crocodile

Dangerous track

交叉骷髏頭

A medical illustration of Clostridioides difficile bacteria, formerly known as Clostridium difficile. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

Tank

Bear

Beautiful Magic Mushrooms

醫療藥物自然

Electric tower

Human skull

Sign (Glass hazard)

Closeup Photo of Tiger

Piranha

Piranha Rouge

Dangerous road for cyclists

孩子們旅行

Magic Mushroom

醫療藥物自然

Poisonous Mushroom

醫療藥物食物

Group of People Sitting Beside the Bonfire during Night Time

Dark clouds

A medical illustration of Clostridioides difficile bacteria, formerly known as Clostridium difficile. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

Sign (Biohazard)

Nile Crocodile

非洲動物短吻鱷

Nile Crocodile

非洲動物短吻鱷

Woman Swimming

A female, Aedes aegypti mosquito obtaining a blood meal from a human host. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

Tank

Edible Yellow Coral Mushroom

醫療藥物食物

Railway Contact Wires

Amanita Muscaria Mushroom

醫療藥物自然

Respirator

Amanita Mushrooms in the Grass

barbed wire

Electic Wires Pole

塔式建築電

A medical illustration of drug–resistant, nontyphoidal, Salmonella sp. bacteria. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

A 3D image of a group of anaerobic, spore-forming, Clostridium sp. organisms. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

電子學细菌

Sign (Slippery floor)

Amanita Muscaria Mushroom

醫療藥物食物

Bomb

A medical illustration of drug–resistant, Mycoplasma genitalium bacteria. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

Danger Death

Painted Metal

Sunflowers and Bee

Sign (Hot surface)

A 3D illustration provides a graphical representation of a single norovirus virion, set against a white background. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

電子學细菌

A medical illustration of vancomycin–resistant, Enterococci sp. bacteria. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

電子學细菌

A close left lateral view of a female Oriental rat flea, Xenopsylla cheopis that transmit the bacterium Yersinia pestis, the causative agent of plague. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

Sign (Irritant)

Coffin

萬聖夜恐怖

barbed wire

Giant Lightning Storm

A 3D graphical representation of a number of norovirus virions, set against a black background. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

Sign (Flammable materials)

食人魚

Bio Hazard

生化危機符號

Sign (Hazardous to the environment)

Sign (Danger overhead crane)

Sign (Irritant)

An adult bedbug, Cimex lectularius ingestinging a blood meal. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

Sign (High voltage)

Black Cat Green Eyes Looking Dangerous

Sky Diver

Snake Head

A female, Aedes aegypti mosquito obtaining a blood meal from a human host. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

A female, Aedes aegypti mosquito obtaining a blood meal from a human host. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

A photomicrograph of a direct fluorescent antibody (DFA)–stained specimen, revealing the presence of numerous Francisella tularensis coccobacilli. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

電子學细菌

Traffic Signal Red

Sign (Radiation)

Sign (Forklift trucks)

Road sign warning

交通標誌警告

Spider Web

萬聖夜蜘蛛

美洲豹

雨林動物動物

Bullfight

美洲野牛属牛公

Sign (Low temperature)

Sign (Laser Radiation)

Toxic

Gas Mask

防毒面具面

A 1000X photomicrograph magnification of numerous, rod-shaped, Gram–negative, Yersinia pestis bacilli. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

A photomicrograph reveals numerous Gram–negative, Francisella tularensis coccobacilli, the bacterium responsible for causing the disease, tularemia. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

電子學细菌

Knives

A horde of unidentified bats, an animal know to be a possible carrier of the rabies virus. Original image sourced from US Government department: Public Health Image Library, Centers for Disease Control and Prevention. Under US law this image is copyright free, please credit the government department whenever you can”.

Sign (General warning)

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