Some operators let you bar access to premium rate services, so check with your operator.

But teachers' leaders say the assurances are not enough, and want new measures to bar access to whole-school results.

Flower tubes that bar access to nectar because of their shape, are simply punctured at the base near the nectaries.

Lastly, many beliefs bar access to proper medical care.

The regular has scalloping and a smaller lock bar access cut out.