manhole, access hatch, inspection opening
trapdoor, crawl hole, hatch
passage, way in, hole to crawl through
Том был ра́нен при взры́ве кры́шки лю́ка.
Tom was injured by a manhole cover explosion.
Рабочие вмяли крышку люка молотком.
The workers dented the manhole cover with a hammer.
Работник, поддевающий крышку люка, позвал напарника.
The worker prying up the manhole cover called for his colleague.