▁the ▁effects ▁that ▁are ▁to ▁be ▁real ised . ▁Techn ical ▁special ists ▁help ▁to ▁implement ▁these ▁techniques ▁by ▁providing ▁expert ise ▁in ▁various ▁areas ▁of ▁the ▁production . ▁The ▁stage ▁manager ▁and ▁their ▁team ▁must ▁ultimately ▁draw ▁all ▁these ▁separate ▁techniques ▁together ▁to ▁create ▁an ▁effective ▁and ▁successful ▁stage ▁production . ▁ ▁S ets ▁and ▁sc ener ies ▁have ▁to ▁be ▁designed ▁and ▁created ▁in ▁the ▁work shop . ▁They ▁include ▁out door ▁and ▁ind oor ▁scenes , ▁or ▁special ▁types ▁of ▁constru ctions , ▁and ▁must ▁also ▁usually ▁achieve ▁the ▁appearance ▁of ▁depth ▁and ▁distance ▁within ▁the ▁spatial ▁limitations ▁of ▁the ▁stage . ▁Stage ▁light ing ▁has ▁to ▁be ▁provided ▁to ▁set ▁the ▁m ood s ▁and ▁sens it iv ities ▁of ▁the ▁play , ▁and ▁to ▁permit ▁the ▁showing ▁of ▁the ▁emot ional ▁charge ▁in ▁the ▁face ▁of ▁the ▁actors , ▁possibly ▁rein for cing ▁the ▁p all or ▁or ▁v ivid ness ▁of ▁their ▁faces . ▁Cost umes ▁have ▁to ▁typ ify ▁characters ▁from ▁the ▁moment ▁they ▁appear ▁on ▁stage ▁and ▁sign ify ▁the ▁period ▁or ▁the ▁social ▁milieu ▁in ▁which ▁the ▁characters ▁are ▁to ▁be ▁seen . ▁They ▁can ▁also ▁indicate ▁the ▁characters ' ▁circumstances ▁( wh ether ▁they ▁should ▁appear ▁rich ▁or ▁poor ) ▁or ▁even ▁whether ▁they ▁should ▁be ▁seen ▁as ▁com ic ▁or ▁trag ic ▁person ae . ▁Sound ▁effects ▁have ▁to ▁convey ▁natural ▁phen omena , ▁such ▁as ▁wind ▁or ▁storm . ▁However , ▁it ▁is ▁also ▁their ▁function ▁to ▁call ▁forth ▁m ood