Refrigerating Machine Operator Class 1 & 2 Exam <Laws and Regulations> Key Points Summary This is a summary I compiled for myself to prepare for the Class 1 Refrigerating Machine Operator exam. ▪︎ A4 size, 10 pages ▪︎ Organized for easy understanding, using tables as much as possible ▪︎ Effective when used in conjunction with past exam questions Please refrain from price negotiations. Thank you.