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.
If you examine a sample of English writing or speech, and count how many times the various words in it appear, you will be struck by an interesting fact. Except perhaps in very short samples, there is always one particular word which appears more than all the rest by far.It is always the same little word. That word is the, the most frequently used word in the English language. Obviously, a word used this often must be very important to the speakers of the language.Yet no speaker of English has to study how to use this word in school.t is always the same little word. That word is the, the most frequently used word in the English language. Obviously, a word used this often must be very important to the speakers of the language. Yet no speaker of English has to study how to use this word in school.