More specifically, {HEAD ~ a device} deposits {TAIL ~ a preset volume} of chemicals or bioreagents to test strips, immunoassay tests, test cells, detection assays .or 
deposits
More specifically , { HEAD ~ a device } deposits { TAIL ~ a preset volume } of chemicals or bioreagents to test strips , immunoassay tests , test cells , detection assays .or
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH