A sample changer for a balance with {TAIL ~ a weighing pan} has {HEAD ~ at least two sample carriers} that are spaced apart from each other 
A sample changer for a balance with { TAIL ~ a weighing pan } has { HEAD ~ at least two sample carriers } that are spaced apart from each other
OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH