gloves attached to the escalator and embedded in the floor
... that in the Massachusetts Bay Transportation Authority's Porter subway station there are gloves attached to the escalator and embedded in the floor?
... that in the <a href="./Massachusetts_Bay_Transportation_Authority" id="mwCyA" rel="mw:WikiLink" title="Massachusetts Bay Transportation Authority">Massachusetts Bay Transportation Authority</a>'s <a class="mw-redirect" href="./Porter_(MBTA_station)" id="mwCyE" rel="mw:WikiLink" title="Porter (MBTA station)">Porter</a> subway station there are <b id="mwCyI"><a href="./Glove_Cycle" id="mwCyM" rel="mw:WikiLink" title="Glove Cycle">gloves attached to the escalator and embedded in the floor</a></b>?