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  2. Reverse flush toilet - Wikipedia

    en.wikipedia.org/wiki/Reverse_flush_toilet

    A reverse flush toilet. Reverse flush toilet, also known as a washout toilet, is a type of flush toilet containing a shelf which holds the excrement out of the water until the flush. This could be to make inspection easier, to reduce splashing, or just tradition. [citation needed] It facilitates taking a stool sample.

  3. Flush toilet - Wikipedia

    en.wikipedia.org/wiki/Flush_toilet

    A flush toilet (also known as a flushing toilet, water closet (WC); see also toilet names) is a toilet that disposes of human waste (i.e., urine and feces) by collecting it in a bowl and then using the force of water to channel it ("flush" it) through a drainpipe to another location for treatment, either nearby or at a communal facility.

  4. Direct coupling - Wikipedia

    en.wikipedia.org/wiki/Direct_coupling

    Here the internal units or portions of the op-amp (like the input stage, voltage gain stage, and output stage) will be direct coupled and will also be used to set up the bias conditions inside the op-amp (the input stage will also supply the input bias to the voltage gain stage, for example).

  5. Power dividers and directional couplers - Wikipedia

    en.wikipedia.org/wiki/Power_dividers_and...

    For a λ/4 coupled-line the total delay length is λ/2 so the second signal is inverted and this gives a maximum response on the coupled port. [18] A single λ/4 coupled section is good for bandwidths of less than an octave. To achieve greater bandwidths multiple λ/4 coupling sections are used.

  6. Twin unit - Wikipedia

    en.wikipedia.org/wiki/Twin_unit

    Twinset tram in the UK Married pair, two-car LRV set on the N Judah line of the San Francisco Municipal Railway, San Francisco, California. A twin unit, twinset, or double unit is a set of two railroad cars or locomotives which are permanently coupled and treated as if they were a single unit.

  7. Pacer (British Rail) - Wikipedia

    en.wikipedia.org/wiki/Pacer_(British_Rail)

    Eight Northern Rail units were temporarily withdrawn from service, replaced by a cascading of British Rail Class 158s. [15] First Great Western received 12 units on loan from Northern Rail from December 2007 to November 2011 (five units were returned to Northern Rail in December 2008) to cover for refurbishment of its fleet and to allow most of ...