Write a manual for the maintenance of a large industrial freezer room with dimensions of 40m wide x 60m long x 8 m high. The room is kept at a...

Write a manual for the maintenance of a large industrial freezer room with dimensions of 40m wide x 60m long x 8 m high. The room is kept at a temperature of -20oC. The company uses forklifts inside the freezer.

Remember to include all the maintenance of everything inside and outside the freezer. Please also include the systems that you will use to limit the heat loss during access and exit to and from the freezer.