[tag=PRP] [lemma=□] □
[tag=PRP] [lemma=also] □
They also argued that learner drivers first use foveal vision for lane keeping , then increasingly move foveal gaze to more distant road regions and learn to use their peripheral vision to stay in the lane . We also began compilation of Conditions and Trends and Response Option material from the various chapters of the main reports , focusing on inland waters , coastal , marine and freshwater chapters as our primary sources , but also looking for material in other ecosystem chapters . He also threw a hand grenade and engaged the convoy with small-arms fire . He also co-invented the commonly used technique of Doppler-free spectroscopy and first proposed laser cooling of atomic gases . As we began the project , we also began to deal with the numerous feelings it triggered for both of us . From 2004 , we also began a course where students can write their theses and make their presentations in English , and we have hired a research associate to organize such a course . They also volunteered to stay on after Vance despite the evacuation of their families .