Preposition: of

• year: The card is fitted with a lithium battery giving a life span of 2 years.

• cell: The life span of the cells is 60 years.

• patient: In short the package of support that can be provided determines the life span of the patient.

• product: Although testing is a time consuming and expensive process, the resulting quality assurance will pay off in the life span of the product.

• plant: Pruning and trimming affect plant growth, flower quality, visual effect and life span of the plant.

• hour: They have a life span of 60,000 hours compared to about 30,000 hours for plasma TVs.

Converse of object

• have: They have a life span of 60,000 hours compared to about 30,000 hours for plasma TVs.

• extend: General maintenance Annual inspection and possible maintenance can play an important part to extending the life span of a wall or structure.

• expect: With a 10 year guarantee on all parts U-fit conservatories have an expected life span of 25 years.

• increase: The annual cost of providing the drugs necessary to, hopefully, increase the life span of the children, is £ 26,000.

• reduce: Clinical deficiency may increase platelet aggregation and reduce the life span of red blood cells.

• give: The card is fitted with a lithium battery giving a life span of 2 years.

Adjective modifier

• average: The points of light number around 25,000: the approximate number of days in an average human life span of seventy years.

• short: Unfortunately, these security packages have a short life span.

• limited: Jack White has acknowledged that a band like The White Stripes has a limited life span, but surely even he didn't expect this.

• long: The new products are more expensive but they are better quality and have a longer life span.

• normal: No, you may have a normal life span!

• natural: These cows are hours from death, yet they have a natural life span of 30 years.

Noun used with modifier

• year: The tests can then be taken at any time within the 3 year life span of the log book.