It has both entry and exit portals so your cat can easily escape, a built - in space for tools, and no assembly is required. (cat-lovers-only.com)
In «Portal», the goal is to escape from an evil lab using only one tool, a portal gun which creates one blue and one orange portal, only one entry and exit portal at a time. (raisesmartkid.com)
The first is that not many cases fall within the enhanced bracket and the second is that, as quantum increases, it is more likely that disputes will exit the portal on account of complexity. (newlawjournal.co.uk)