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2. Linear time-invariant system - Wikipedia

   en.wikipedia.org/wiki/Linear_time-invariant_system

   The defining properties of any LTI system are linearity and time invariance.. Linearity means that the relationship between the input () and the output (), both being regarded as functions, is a linear mapping: If is a constant then the system output to () is (); if ′ is a further input with system output ′ then the output of the system to () + ′ is () + ′ (), this applying for all ...

3. Fixed ladder - Wikipedia

   en.wikipedia.org/wiki/Fixed_ladder

   Fall protection system: Fixed ladders above 24' must have a fall protection system in accordance with OSHA Standard 1910.28(b)(9)(i)(C). Cages are not anymore considered as fall protection, and ladders that are newly installed or replaced after November 19, 2018, must have a fall protection system based on OSHA's new fixed ladder requirements.

4. Leitner-Poma - Wikipedia

   en.wikipedia.org/wiki/Leitner-Poma

   Leitner-Poma of America, known simply as Leitner-Poma, is a United States aerial lift manufacturer based in Grand Junction, Colorado.It is the American subsidiary of French-based Poma, which is owned by the Italian company HTI Group.

5. Attic ladder - Wikipedia

   en.wikipedia.org/wiki/Attic_ladder

   An attic ladder (US) or loft ladder (UK) is a retractable ladder that is installed into an attic door/access panel. They are used as an inexpensive and compact alternative to having a stairway that ascends to the attic of a building. They are useful in areas with space constraints that would hinder the installation of a standard staircase.

6. Wing Enterprises - Wikipedia

   en.wikipedia.org/wiki/Wing_Enterprises

   Wing Enterprises is an American company headquartered in Springville, Utah company, the largest American manufacturer of ladders as of 2005. [1] The company produces the Little Giant Ladder System, a convertible aluminium ladder system. The founder of Wing Enterprises, Harold Ray "Hal" Wing, came across a prototype of the ladder in Germany in

7. Quint (fire apparatus) - Wikipedia

   en.wikipedia.org/wiki/Quint_(fire_apparatus)

   A quintuple combination pumper or quint is a fire-fighting apparatus that serves the dual purpose of an engine and a ladder truck. “Quintuple” refers to the five functions that a quint provides: pump, water tank, fire hose, aerial device, and ground ladders. [1] Tillers and tractor-drawn aerials also have quint features, and are dubbed ...

8. Ladder (option combination) - Wikipedia

   en.wikipedia.org/wiki/Ladder_(option_combination)

   A short ladder is the opposite position of a long ladder. Thus, for the first example above, the corresponding short call ladder would involve selling a 90 call, buying a 95 call, and buying a 105 call. For the second example, the corresponding short put ladder would involve selling a 110 put, buying a 105 put, and buying a 95 put. [1]

9. Lighting as a service - Wikipedia

   en.wikipedia.org/wiki/Lighting_as_a_service

   Lighting as a service (LaaS), also known as light as a service, is a service-based business model in which light service is charged on a subscription basis rather than via a one-time payment. It is managed by third parties, [ 1 ] more precisely, by specialized service providers and may include light design, financing, installation, maintenance ...