Analyzer
Sentence analysis
15Spans
Sentence
Span Details
坑内
inside a mine; within a pitnoun, no-adjective
の
possession, attribution, nominalizer, or nominal linkergrammar
安全
safety; securitynoun, na-adjective
を
object markergrammar
保つ
keep; maintain; preserve; last; be durablegodan verb
ため、
sake or purposegrammar
鉱柱
rib; pillarnoun
を
object markergrammar
適切
appropriate; suitable; properna-adjective, noun
に
adverbial form after a na-adjectivegrammar
配置
arrangement; deployment; layoutnoun, suru verb
する
light/support verb with a noun or noun-like phrasegrammar
必要
necessary; needed; essential; necessity; need; requirementna-adjective, noun
が
subject markergrammar
ある。
be; exist; have; possess; there is available; be located; be situated; be equipped with; have as a facility or feature; happen; take place; come about; be in a completed state; be left as done-> 有るgodan verb, auxiliary