・Transportation expenses for activities including garbage picking

・Purchase costs for cleaning tools (other than those provided by the city)

・Tank fee for underwater cleaning
​・Outsourcing fee (professional diver for underwater cleaning, etc.)

・Graffiti erasure work & material cost

・Equipment purchase costs (ink, tools, etc.)

・Food and drinks for meetings and meetings

・Communication expenses (telephone bill/internet bill)

・Office rental expenses (including utility expenses)

・Investigation, business trip, expedition transportation expenses

・Lunch and transportation expenses for volunteer staff
​・Personnel expenses for the management office

・Costs related to other activities, etc.