Acoustic Treatment makes your room sound better on a recording, ... When building a room from scratch, adequate mass can be added to the wall simply by ... While STC uses just one number for the entire frequency spectrum, which can often be ... This type of caulk remains soft and pliable, so no gaps open up over time.
Answer:
Explanation:
Broaching:
Broaching is a metal removal process or we can say that it is a machining process.Generally broach have three types teeth in which first one is called roughing teeth,second one semi finishing and third one finishing teeth.By using these teeth metal remove so fast and that is why broaching is the high metal removal rate operation.
Answer:
Two reasons that justify the requirement for security clearance for aerospace engineers working for government agencies are;
1) Such engineers have access to data regarding the blueprint, components, method of construction, functionality status, new systems design, future systems design, inventory of systems and aeronautical systems database which are sensitive information that are of high importance to the federal government
2) Such engineers take part in the testing of aeronautic equipment, and will require security clearance to be able to input data results into the data base of the aeronautic equipment
Explanation: