i have modelled a plant with some equipments like storage tanks and heat exchangers etc. in solidworks 2012.

i want to show my plant model to my cilent via solidworks walkthrough but there is some problem in walk through after completeting my walkhrough when i saw the video file, i have found that elbows, bolts, nuts and other small parts are gone missing.

i have set the whole plant in resolved mode but still getting the same result.

plz help me...