▁Sus sex ▁Category : G rade ▁II * ▁listed ▁buildings ▁in ▁East ▁Sus sex ▁Category : Post ▁mill s ▁in ▁the ▁United ▁Kingdom ▁Category : Gr inding ▁mill s ▁in ▁the ▁United ▁Kingdom ▁Category : Mill ▁museum s ▁in ▁England <0x0A> </s> ▁Many ▁people ▁with ▁severe ▁physical ▁or ▁cogn itive ▁imp air ment ▁use ▁one ▁or ▁more ▁switch es ▁to ▁access ▁computers . ▁A ▁switch ▁is ▁an ▁assist ive ▁technology ▁device ▁that ▁rep laces ▁the ▁need ▁to ▁use ▁a ▁computer ▁keyboard ▁or ▁a ▁mouse . ▁ ▁Types ▁of ▁switch ▁ ▁Switch es ▁come ▁in ▁a ▁variety ▁of ▁shapes ▁and ▁sizes ▁depending ▁on ▁the ▁action ▁used ▁to ▁activ ate ▁them ▁( such ▁as ▁s ip - p uff , ▁pushing , ▁pulling , ▁pressing , ▁bl inking ▁or ▁s que ez ing ). ▁Switch es ▁also ▁vary ▁in ▁their ▁colour ▁and ▁a est het ics . ▁For ▁push ▁or ▁press ▁switch es , ▁the ▁amount ▁of ▁force ▁required ▁to ▁operate ▁them ▁var ies ▁or ▁in ▁some ▁cases ▁can ▁be ▁adjust ed . ▁Some ▁switch es ▁may ▁only ▁require ▁a ▁touch ▁( not ▁even ▁a ▁press ), ▁some ▁may ▁be ▁designed ▁to ▁be ▁k icked . ▁ ▁A ▁switch ▁can ▁be ▁operated ▁by ▁almost ▁any ▁body ▁part ▁that ▁is ▁able ▁to ▁produce ▁consistent ▁and ▁volunt ary ▁movement .. ▁ ▁Connect ing ▁a ▁switch ▁A ▁switch ▁cannot ▁be ▁plug ged ▁directly ▁into ▁a ▁computer . ▁Instead ▁a ▁Switch ▁Interface ▁is ▁required ▁to ▁bridge ▁the ▁gap ▁between ▁the ▁switch ▁and ▁the ▁computer ' s ▁USB , ▁serial