1. Ol i save yusim bras waia long wokim ol hap bilong ol kain kain samting bilong lektrik, na tu ol samting bilong indastri olsem ol sip na paiplain. Bikos em i gat gutpela strong bilong sakim korosen na wok bilong en, ol i save yusim bras waia long kain kain wok.
2. Ol i save yusim retpela kopa waia long wokim ol kain kain samting we i save karim pawa, olsem ol waia na kebol. Bikos em i gat gutpela 'electrical conductivity', ol i save yusim retpela kopa waia long pawa transmisin na ol narapela wok.
I gat ol klia samting i narapela long bras waia na retpela kopa waia long sait bilong ol samting bilong bodi, kemikel pefomens na aplikesen. Bras waia i gat gutpela strong bilong sakim korosen na prosesing pefomens, na em i gutpela long wokim ol kain kain indastriel prodak na ol hap bilong en. Retpela kopa waia i gat gutpela 'electrical conductivity' na em i gutpela long wokim ol kain kain samting we i save karim pawa. Taim yu makim long yusim, yu mas makim bihainim ol nid na as tingting bilong yu.