Anaesthesia What is Laser tubes- A It is tube made up of PVC wrapped in two layers, one metallic and other non - reflective layer B It is tube made up of red rubber C It is a metallic tube to prevent any airway fire D It is tube made up of laser resistant material π‘ Explanation What is Laser tubes- β Correct Answer: A. It is tube made up of PVC wrapped in two layers, one metallic and other non - reflective layer