Reference materials
Solid-liquid separation of high water content waste
Closed wastewater and waste reduction
(Japanese)
(Journals) Chemical equipment/Additional volume in the February issue
Disposal measures of waste / harmful substance
(Author) DAIWA CHEMICAL INDUSTRY CO,LTD.
Closed washing system 
(Japanese)
(Journals) Institute for Industrial Research 25 August, 2001
"Usable washing technology" - Function and features -
(Author) DAIWA CHEMICAL INDUSTRY CO,LTD.
Environmental problem and peripheral equipment development
(Japanese)
(Journals) Lubrication society August, 1997
Special topic: Recent tendency of washing technology which from a backdrop to environmental problem Part.2
(Author) DAIWA CHEMICAL INDUSTRY CO,LTD.
CFC recovery with TAKE
(Japanese)
(Journals) Industrial material volume 36 No.17 (Dec, 1988)
Special topic: CFC regulation and it's measures< Handling of recovery device/ washer >
(Author) DAIWA CHEMICAL INDUSTRY CO,LTD.
VOC adsorption / Recovery system
(Japanese)
(Journals) New development of air-cleanup technology - for VOC reduction measures (2006, the July issue)
(Author) DAIWA CHEMICAL INDUSTRY CO,LTD.