NEXINPLAY Extremely large switches often have switch contacts surrounded by something other than air to more rapidly extinguish the arc. Toggling the switch disconnects one "traveler" terminal and connects the other. Excessive sweating affecting only one side of the body is more suggestive of secondary hyperhidrosis and further investigation for a neurologic cause is recommended. These antiperspirant solutions or hyperhidrosis gels are especially effective for treatment of axillary or underarm regions. Some types are potted to make them waterproof. Topical agents for hyperhidrosis therapy include formaldehyde lotion and topical anticholinergics. Formaldehyde is classified as a probable human carcinogen. However, hyperhidrosis requires solutions or gels with a much higher concentration. These agents reduce perspiration by denaturing keratin, in turn occluding the pores of the sweat glands. Typically, the operator would have a written procedure containing a short series of bootstrap instructions to be hand-entered using, e.g., dials, keyboard, toggle switches. They have a short-lasting effect.|Hot on the Heels of Social Networks?