Le yi-aluminiyam yerekhodi ye-vinyl case.Yakhiwe kakuhle, yomelele kwaye yomelele, kwaye igcina iirekhodi ezingama-30.
Siyifektri eneminyaka eyi-15 yamava, ngokukodwa kwimveliso yeemveliso ezenziwe ngokwezifiso ezifana neengxowa zokuzilungisa, iimeko zokuzilungisa, iimeko ze-aluminium, iimeko zendiza, njl.