ps/2 keyboard : pluck out every key tab, unscrew the entire key
case, soak all the keys in conc detergent (soak n wash), remove
circuit board, wipe down all, wipe down PS/2 wire, put back
everything.
laptop : unscrew laptop casing, remove topshell, horse hair brush
out dust, reverse vacuum blow + long hair brush dusting into
corners, remove all keytabs (soak n wash), possibly remove HDD to
get to CPU fan n sinks, put back everything
