Leads I and aVL, along with two of the chest leads, V5 and V6, are all considered " lateral" leads and they're near the lateral wall of the heart which receives blood from the left circumflex artery.
Without finishing his sentence, he drove the implement into the side-wall of the tunnel, a little in front of the pillar of masonry that supported the hinges of the door.
And indigenous people in the Americas have been making clay pots for millennia, and many first forms involved a big long clay noodle coiled on top of itself to make the sides of the pot and then smoothed over.