Provers work by passing a known volume of air through a meter while monitoring the gas meters register, index, or internal displacement.
Below is an instruction that describes a task, paired with an input that provides further context. Write a response that appropriately completes the request. ### Instruction: List the MITRE techniques contained in the text. ### Input: Provers work by passing a known volume of air through a meter while monitoring the gas meters register, index, or internal displacement. ### Response: .