This task was not all that difficult, but did require very careful handling to avoid sample contamination. Since the NMRS worked at the molecular leve..., it was very easy to contaminate a sample and thus get a false result. Because of this risk, I generally preferred to work alone while setting up and running samples. Most test specimens for NMRS analysis were in small vials, usually containing some type of organic or genetic material. A test batch might consist of hundreds of specimens. This. She used her teeth to rip it open and then rolled it onto my cock. Before I could move she swung her leg over my hip and straddled me.Raising up she rubbed my glans up and down her pussy and then guided the head into opening. Closing her eyes she slowly settled on me until I felt the weight of her hips. Her eyes opened and stared at mine. “I have been wanting this all week.” And she rose up and dropped back to me sending wonderful sensations through my shaft.I lay there watching her ride me. More

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