Noun
Stroke 0 / 28
Regular inspection and cleaning of septic tanks are mandatory.
For environmental protection, improving the performance of septic tanks is an important issue.
While sewage systems are developed in urban areas, septic tanks are common in the suburbs.
Proper construction by a specialized contractor is necessary for the installation of a septic tank.
Kumi's KMT system tracks your mastery across kanji, vocabulary, grammar, and reading. Create a free account to use it on 220,000+ concepts.