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A hair clipper, often individually called the apparent plurale tantum hair clippers (in a similar way to scissors), is a specialised tool used to cut human hair. Hair clippers work on the same principle as scissors , but are distinct from scissors themselves and razors .
Some electric clippers such as the Wahl clipper, or the Andis clipper had a lever that could be moved back and forth to change the closeness from "000"which left the hair stubble length, or "1" which left the hair about one eighth of an inch. External attachments called "Guards" are attached to the clipper to make it cut from "1" to "4".
Wahl Clipper Corporation was founded due to Leo J. Wahl's patent for an electromagnetic hair clipper in 1919. [3] On February 2, 1921, he purchased a majority of the stock of his uncle's manufacturing company which made the clipper, and incorporated the business as Wahl Clipper Corporation. [4] In 1924, Leo Wahl patented a vibrating motor hair ...
Control procedures fail to include adequacy ofmixing to assure uniformity and homogeneity. OBSERVATION 4 Control procedures are not established which monitor the output and validate the performance of those manufacturing processes that may be responsible for causing variability in the characteristics of in-process material and the drug product.
Despite Humble's attempts to tie Enco and Esso brands together as a nationwide gasoline marketer during the 1960s, the company was not wholly successful at competing with truly national brands such as Texaco which was then the only oil company selling its gasoline under the same brand name in all 50 states, and Shell, as Humble's strongest markets remained the Esso territory in the eastern U.S ...
Shunt clippers, where the diode is shunted across the load resistance. The diode capacitance affects the operation of the clipper at high frequency and influences the choice between the above two types. High frequency signals are attenuated in the shunt clipper as the diode capacitance provides an alternative path to output current.
A typical Master Control Station. On the top-side facilities of offshore oil and gas platforms, the Master Control Station (MCS) is a dedicated system that controls and retrieves data from subsea equipment on the ocean floor. The MCS is supplied by the manufacturers of the subsea control modules (SCM), an MCS is required for each vendor.
Oil-immersion objective lenses look superficially identical to non-oil-immersion lenses. In light microscopy , oil immersion is a technique used to increase the resolving power of a microscope . This is achieved by immersing both the objective lens and the specimen in a transparent oil of high refractive index , thereby increasing the numerical ...