Drill bit (well) In the oil and gas industry, a drill bit is a tool designed to produce a generally cylindrical hole (wellbore) in the earthâs crust by the rotary drilling method for the discovery and extraction of hydrocarbons such as crude oil and natural gas. This type of tool is alternately referred to as a rock bit, or simply a bit.
verifier - someone who vouches for another or for the correctness of a statement. voucher. admirer, booster, protagonist, supporter, champion, friend - a person who backs a politician or a team etc.; all their supporters came out for the game; they are friends of the library. Translations.
The Application Verifier (AppVerifier) tool is a useful addition to software testing procedures for Windows-based applications. AppVerifier contains several tests that enable a tester to determine a variety of common application compatibility issues, including file path access, registry use, and memory allocation.