Y - Hait bilong gret X - Braitpela bilong gret A - freim profail bikpela W - tikpela bilong bar T - namba bilong ol stik i sanap stret G - namba bilong ol horisontel element N - windo gril opsen namba U - Angle bilong inklinasen bilong ol element (bilong ol opsen 1, 2, 3, 9, 10) H - mak bilong bilas samting (bilong ol opsen 7, 8)
Ol opsen bilong wokim windo gril
Ol samting bilong program
Kalkulesen bilong hamas samting ol i nidim long wokim wanpela 'metal grating'.
Stret sais bilong olgeta hap.
Ol gutpela piksa bilong 'steel grating'.
Ol samting bilong bilasim 'grille' i wankain.