"scan" - key terms from Wikipedia

bone scan
boundary scan
cat scan
ct scan
forward scan
full scan
full table scan
live scan
mri scan
new scan
nuchal scan
optical scan
optical scan	voting system
pan and scan
progressive scan
raster scan
scan
scan	an integer
scan	bar
scan	chain
scan	conversion
scan	features
scan	line
scan	lines
scan	lines per inch
scan	list
scan	rate
scan	rates
scan	types