Membean provides guided, engaging, multimodal vocabulary instruction while our Adaptive Reinforcement Engine helps students retain what they learn. â 1  Multiple ways to learn each word. â 2  Customized learning for each student. â 3  Web-based, nothing to install.
EGR, which stands for Exhaust Gas Recirculation, comes equipped on most new vehicles, as well as some older models. The EGR valve recirculates burned exhaust emissions back into the intake system so the emissions can be re-burned, or recycled, out the exhaust.
In many e-cigarettes, puffing activates the battery-powered heating device, which vaporizes the liquid in the cartridge. The resulting aerosol or vapor is then inhaled (called vaping).