Olsem nem i tok, ol 'gas forklift' i save yusim ges. Ol dispela 'forklift' i save yusim 'liquefied petroleum gas' (LPG) o 'natural gas' (CNG) olsem fiul, we i save senis i go long 'mechanical energy' long rot bilong wanpela 'internal combustion engine' bilong givim pawa long 'forklift'. Taim em i wok, ges i save miks wantaim win na kukim insait long ol silinda, na kamapim pawa we i save kirapim 'forklift' i go het, i go bek, na i go antap na i go daun.
