A valve-regulated lead acid battery cell has positive and negative plates separated by separator media and held together under pressure. The copyright owner has no objection to the facsimile reproduction by anyone of the patent document or the patent disclosure, as it appears in the U. The first memory buffer is configured to store the low resolution fragments as pixels. The lever arm may be pivotal between an unlocked position to attach the engagement member to the vehicle, and a locked position that causes the engagement member to exert a force on the vehicle to maintain the wheel of the vehicle in the wheel cage. The mask includes transparent portions and reflective portions distributed within the transparent portions. The lighting element has a light-transmissive lens body with a lens-shaped light entry surface and a light exit surface and the light exit surface is smaller than the light entry surface.