This occurred in conjunction with the infill sewage project which was created to convert Perth homes from septic tanks and leach drains to mains sewage.
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: This occurred in conjunction with the infill sewage project which was created to convert Perth homes from septic tanks and leach drains to mains sewage. ### Response: .