oks now that iam posting in the correct section lol

Hay all
Just want some tips on cleaning under the bonnet mainly the plastic bottles like washer bottle, power steering bottle etc. myn are so dirty lol probably a stupid question but I don’t have much luck with cleaning stuff, probably would use a cleaner that would melt plastic lol
And any tips on keeping it that way?
Thanks
Cheaper the better atm, once again I ve had more going out then I ve got coming in lol