Anxiety and depression are the most common psychological causes of fatigue in cancer patients. The emotional stress of cancer can cause physical problems, including fatigue. It's common for cancer patients to have changes in moods and attitudes. Patients may feel anxiety and fear before and after a cancer diagnosis.
N.F.P.A. now requires 4 heat sensors and one instruction label per ladder section. Each heat. sensor has an expiration date printed on them. Any expired labels must be replaced. Place 2 heat. sensor labels below the 2nd rung from the top of each section (1 on the right rail - 1 on the left. side) inside the rail.
Different types respond to temperature, pressure, humidity, liquid levels, other controls, manual intervention and other things. Lets add a basic control system to a refrigeration system. First we need to know what loads there are to be controlled. The image on the left shows a small split system for a walk in cooler with 3 electrical devices; a compressor, condenser fan motor and evaporator fan motor. Those 3 electrical devices are represented on the ladder schematic shown below.