He was an aircraft mechanic but often flew as an observer and air-gunner, or at the request of pilots to provide assurance that their aircraft were properly maintained and airworthy.

It may be used to provide assurance of the authenticity and, hence, the integrity of binary data.

She helped to provide assurance to merchant shipping, by conducting mine-countermeasure surveys in the main shipping routes throughout the region.

Audit working papers are used to support the audit work done in order to provide assurance that the audit was performed in accordance with the relevant auditing standards.

In many cases, our internal standards are more demanding than the laws of our host governments, providing assurance to industry critics that we take our social and environmental responsibilities seriously.