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  2. Lifeline (safety) - Wikipedia

    en.wikipedia.org/wiki/Lifeline_(safety)

    Horizontal lifeline systems require careful engineering due to the specific nature of the structures they are designed for, ensuring safety in high-risk areas. [ 3 ] Lifeline wire has traditionally been available in 1/8" ( 3.175 mm) and 3/16" ( 4.763 mm) wire diameters, with a soft but durable vinyl coating increasing the effective diameters to ...

  3. Fall arrest - Wikipedia

    en.wikipedia.org/wiki/Fall_arrest

    Safety net Safety line. Fall arrest is the form of fall protection which involves the safe stopping of a person already falling. It is one of several forms of fall protection, forms which also include fall guarding (general protection that prevents persons from entering a fall hazard area e.g., guard rails) and fall restraint (personal protection which prevents persons who are in a fall hazard ...

  4. Sequence diagram - Wikipedia

    en.wikipedia.org/wiki/Sequence_diagram

    These models show the logic behind the actors (people who affect the system) and the system in performing the task. Reading a sequence diagram begins at the top with the actor(s) or the system(s) (which is located at the top of the page). Under each actor or system there are long dotted lines, called "lifelines", which are attached to them.

  5. Lifeline Systems, Inc. - Wikipedia

    en.wikipedia.org/wiki/Lifeline_Systems,_Inc.

    To service growth, Lifeline developed high-capacity PERS call center technology and offered central monitoring to its customers. [7] Arthur Phipps became CEO 1989–1992. In 1991 Lifeline Systems received the Shingo Prize for Operational Excellence. [9] Ron Feinstein was CEO 1993–2006, a period of internal growth complemented by acquisitions.

  6. Safety harness - Wikipedia

    en.wikipedia.org/wiki/Safety_harness

    A lifeline harness is a rope connecting the diver to an attendant, usually at the surface. A professional diver would use a safety harness to keep close to something they are working on underwater, without the harness they could be pulled away from their work by a current.

  7. Medical alarm - Wikipedia

    en.wikipedia.org/wiki/Medical_alarm

    Named Lifeline Systems Inc. It manufactured all its own equipment, and by 1984 had 225 employees and served some 42,000 people in 48 states. [5] In 1975 American International Telephone Company offered an emergency home phone system. The user wore a medallion around the neck that when pushed delivered a preprogrammed message to several phone ...