Uptime means the time period when specified services are available with specified technical and service standards as mentioned in section titled WARRANTY SUPPORT” "%Uptime" means ratio of 'up time' (in minutes) as mentioned in section titled “Warranty support”
Sensor means any measurement device that is not part of the vehicle itself but installed to determine parameters other than the concentration of gaseous and particle pollutants and the exhaust mass flow.
Hydraulic fracturing means the fracturing of underground rock formations, including shale and non-shale formations, by manmade fluid-driven techniques for the purpose of stimulating oil, natural gas, or other subsurface hydrocarbon production.
Anaerobic digestion ’ means a controlled process involving microbial decomposition of organic matter in the absence of oxygen ;
Beam axis means a line from the source through the centers of the x-ray fields.