{HEAD ~ The compressible portion} of the receiving swab is located inside {TAIL ~ the casing}, wherein by compressing the compressible portion, the transfer path is closable towards the outside of the device 
is located inside
{ HEAD ~ The compressible portion } of the receiving swab is located inside { TAIL ~ the casing } , wherein by compressing the compressible portion , the transfer path is closable towards the outside of the device
HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH