Wok bilong penim pes bilong ol moto i save bihainim pasin bilong "tropikal lektrik prodak peintim" (em tupela kot bilong 'epoxy red iron oxide primer' na tupela kot bilong 'amino alkyd baking varnish'). Ol i no kukim namba wan kot bilong retpela ain oksait praimer bikos ol bai wokim masin bihain, na i gat bikpela taim namel long namba wan na namba tu kot bilong draim. Olsem na, namba wan 'primer' i no bin kukim. Ol i putim namba tu praimer tasol bihain long ol i pinisim wok bilong putim na testim, na ol i kukim namba tu praimer na tupela amino alkyd baking varnish bihain long en. Ol i bihainim dispela proses oltaim na i no gat hevi.
Wantaim divelopmen bilong indastrial teknoloji, ol rot bilong mekim wok long han tasol i no inap long inapim ol askim bilong maket. Sprei peinting i senis long wok bilong han i go long wok bilong otomatik, wantaim ol wok bilong otomatik i wok long go antap. Olsem na, ol i wok long yusim ol 'spray painting' prodaksen lain moa yet, na i go insait long ol kain kain sekta bilong nesenel ikonomi. Insait long kantri bilong mi, moa yet stat long taim ol i bin senisim na opim rot, ol masin bilong spreim pen i bin kamap gut tru.
