Did you know that the theme of temperature-related topics such as "cooling and heating," which is indispensable in the manufacturing field, is closely related to "air conditioning"? This document is a comprehensive compilation of knowledge related to industrial air conditioning, cooling, and heating. Additionally, it provides explanations on related topics such as the properties of air, refrigerants, and psychrometric charts. If you are interested, please feel free to download the PDF from the related catalog below or contact us. 【Contents (Excerpt)】 ■ Overview of air conditioning ■ Properties of air ■ Principles of air conditioning ■ Refrigerants ■ Refrigeration cycle of air conditioning units ■ Psychrometric charts ■ Air conditioning unit's air delivery capacity and pressure loss

Cutting oils are used in machining processes when cutting metals and other materials to improve the sharpness of cutting tools, reduce resistance, and extend tool life. There are various types of cutting oils, each with different characteristics, making it important to choose the right cutting oil for the intended purpose. This document is a comprehensive compilation of knowledge regarding the overview of machining and the essential cutting oils used in the process. Additionally, it explains the types of cutting oils, how to choose them, and measures to prevent health hazards. If you are interested, please download the PDF from the related catalog below or feel free to contact us. [Contents] ■Machining ■Cutting Oils ■How to Choose Cutting Oils ■Cutting Oils and Health Issues

"The Basics of Dust Control" explains the fundamental knowledge related to dust for those engaged in work in environments where dust is generated. It covers appropriate dust control measures to maintain health and comfortable working conditions, including knowledge about dust, regulations, methods for suppressing and removing dust, and other foundational information related to dust. It also includes details about the special regulations revised in April 2021. This book summarizes dust control measures to prevent health disorders, so if you are interested, please download the PDF from the related catalog below or feel free to contact us. [Contents (excerpt)] ■ Health disorders caused by dust ■ Dust control measures ■ Management of dust work ■ Regulations related to dust ■ About the special regulation revision in April 2021 (welding fumes)