crawlway


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crawlway

(ˈkrɔːlˌweɪ)
n
(Mining & Quarrying) a low passageway in a cave or mine that can only be negotiated by crawling
References in periodicals archive ?
Its broad wing, with a 149-foot span, was so big a flight engineer could enter via a crawlway to make minor repairs while in flight.
While humans have known about the cave since prehistoric times, it was thought to be a relatively insignificant structure just 500 feet in length until modern cavers pushed a tight, blowing crawlway at the rear of the cave in 1989 and discovered miles of phenomenal passages, rooms, and formations.
In 1984, Steve was sent to the Stobie Mine to hammer out some sewage piping, which was only accessible through a 400-foot unlit, cramped crawlway.
Entrance to this small cave of two rooms is via a short crawlway.
We soon overcame that by putting a couple of cases of empty beer cans in the crawlway before flight and dumping them into the forward wheel well as we crawled to work.