(1) Spring waia diamita d: diamita bilong kopa waia ol i yusim long wokim spring waia;
(2) Spring koil diamita D: ausait diamita bilong spring waia koil;
(3) Spring waia insait koil diamita D1: insait diamita bilong spring waia koil;
(4) Spring waia spiral longpela L: statik longpela bilong spring waia taim i no gat strong bilong ausait;
(5) Longpela bilong wok bilong spring waia L0: longpela bilong spring waia taim em i kisim strong bilong ausait;
(6) Longpela bilong spring waia i no fold A: olgeta longpela bilong stretpela lain we i mas i stap bilong tanim spring waia;
(7) Longpela bilong tel bilong spring waia: ol tel long tupela arere i stap long L1 na L2 wanwan;
(8) Spiral daireksen: I gat lephan na raithan spiral, raithan spiral em ol i save yusim, na raithan spiral em ol i save yusim sapos ol i no makim long droing.
