A train in southwestern Japan sustained damage when it came into contact with a drill used in a geological boring survey that pierced through the ceiling of a railway tunnel Thursday morning, a railway construction group said.
Japan Today
S A train どんな→[in] southwestern Japan
V [sustained]
damage
[when]
S it
V [came]
補足 [into] contact 接触
[with] a drill
どんな
V [used]
補足 [in] a geological boring survey
地質穿孔調査に使われたドリル
どんな→[that]
V [pierced]
through the ceiling [of] a railway tunnel (Thursday morning),