A 'Process Cost Model (PCM)' approach has been proposed previously (Aoieong et al., 2002) for measuring the quality … costs of construction projects. The PCM is proposed because the traditional models on PAF (prevention, appraisal and failure … manufacturing industry. The focus of PCM, unlike PAF model, is no longer on capturing the total quality costs of an entire project …

Storing solar energy heat using Phase Change Materials (PCM) is an effective method. The combination of solar collector … and PCM in one unit is being currently studied. The performance characteristics of the proposed Solar Tube Collector (STC …