examining the openings, exploring the openings, analyzing the openings, inspecting the openings, studying the openings, probing the openings, scrutinizing the openings, surveying the openings, researc... [more]
examining the openings, exploring the openings, analyzing the openings, inspecting the openings, studying the openings, probing the openings, scrutinizing the openings, surveying the openings, researc... [more]
apertures, gaps, holes, slots, vents, breaches, cracks, fissures, orifices, entrances, doorways, portals, windows, passages, outlets, inlets, breaks, clefts, chinks, interstices, voids, spaces, lacuna... [more]