Surface areas on walls, under loose woodwork, between bricks and around other bat entryways often have a smooth, polished appearance. The stained area is slightly sticky, may contain a few bat hairs, and is yellowbrown to blackish brown in color.
cross connections What is a Cross Connection? A cross connection is a point in a plumbing system where the potable water supply is con-nected to a non-potable source. Briefly, a cross connection exists whenever the drinking water system is or could be connected to any non-potable source (plumbing fixture, equipment used in any plumbing system).
HDLC (High-level Data Link Control) is a group of protocol s or rules for transmitting data between network points (sometimes called node s). In HDLC, data is organized into a unit (called a frame) and sent across a network to a destination that verifies its successful arrival.