Answer:
Mine headgear constructions support wheel mechanisms for suspending winding cables that transport workers and ore up and down deep level shafts. These strange anthropomorphic structures have become the iconic symbol for mining.
Answer:
b
Explanation:
has traction so it can grip
Answer: E) Input validation
C) Data validation
Explanation:
- Input validation is the process of analyzing and testing input's quality and correctness that are being processed at further level in information system.It help in eliminating any type of improper or informal input data from getting supplied to user or program in a system.
- Input validation is also known as data validation.As the input that is being tested and validated is form of data that is going through cleansing task to remove useless data.
- According to the question, data and input are being inspected to extract the validity and correctness of it before sending it for computation .Thus , both data and input validation is happening in this case.
- Other options are incorrect because testing is examining the data.Correction data and input is the step for rectifying the mistakes in data or input.
- Thus, the correct option is option(C) and (E).
