1 Wipe away the first drop of blood with a piece of clean, dry cotton gauze. 2  Since newborns do not often bleed immediately, use gentle pressure to produce a rounded drop of blood. 3  Do not use excessive pressure because the blood may become diluted with tissue fluid. 4  Fill the required microtainer(s) as needed.
You'll likely see labels like THHN or THWN written on the wire. For example, THHN wire stands for thermoplastic high heat-resistant nylon coated wire. THWN stands for thermoplastic heat- and moisture-resistant nylon coated wire. As you can see, these wires are built to take on many different conditions.
Direct burial cable is a special type of electrical wiring, or cable, that is designed to be run in a trench underground. The electrical wires in the cable are encased in a thermoplastic sheath that seals out moisture and protects the wires within. While direct burial cable can be run inside conduit for additional protection, the cable is designed to withstand direct exposure to soil and moisture and is rated for wet, dry, and damp environments.