hazard

The preposition “for”, is used when something is being done to benefit something or someone else or when you are trying to express purpose or the reason that something is happening.

Look at these two example sentences:

Example Sentences:

Holes in the pavement are a hazard for blind people.

The burning of industrial waste is a major hazard to human health.

a fire hazard

Example Sentences:

The unoccupied building was declared a fire hazard.

COLLOCATIONS

health hazard

Example Sentences:

The rubbish needs to be removed before it becomes a health hazard.

a safety hazard

Example Sentences:

Protesters claim that the nuclear reactor is a safety hazard.

Example sentence:

Example Sentences:

Try and reduce your exposure to hazards such as poor quality air.

PHRASES

Example Sentences:

exposure to a hazard

a traffic hazard

Example Sentences:

Cars parked in the wrong places can cause a traffic hazard.

a natural hazard (=a hazard caused by nature)

Example Sentences:

One of the most widespread natural hazards is flooding.

As a verb, hazard means to take a risk, especially for the chance of a good return. For example:

Example Sentences:

She was unwilling to hazard a guess as to who would win.The prepositions; “for” or “to” are often used.

His friend asked him to hazard a small sum in a business venture.

You might hazard your chances

cause/create a hazard

Example Sentences:

There was concern that overhead power lines could cause a health hazard.

pose a hazard (=be a possible hazard)

Example Sentences:

It was not known whether radiation from the weapons posed any hazard to soldiers.

Here are example sentences:

Example Sentences:

Production of these chemicals poses serious environmental hazards.

Young people should be educated about the hazards of excessive drinking.

That old staircase is a safety hazard. (meaning it is dangerous; someone could get hurt by using it)

Balloons are fun, but they're a hazard for little kids who might put them in their mouths.

The preposition 'to ' is used when it is followed by a thing. For example:

Example Sentences:

The burning of industrial waste is a major hazard to human health.

eliminate a hazard (=get rid of a hazard)

Example Sentences:

They took steps to eliminate all potential fire hazards.

In the case of the second sentence, holes in the pavement can be a hazard for anyone but it is especially a hazard for blind people because they cannot see to avoid these holes. The preposition "for "is used to express the reason why the holes in the pavement are a hazard.

For example:

Example Sentences:

Hand injuries are an occupational hazard for typists. (meaning typists are likely to have hand injuries because of the work they do)

Holes in the pavement are a hazard for blind people.

reduce a hazard

Example Sentences:

He led the campaign to recognize and reduce the hazard from radiation in our environment.