Respond to these showcases www. ajplus. co. uk/ajdirect Readers may obtain information about these products by filling in the enquiry numbers on an AJ enquiry card. Advertisers wishing to promote their products on these pages should A modern stainless steel handrail complements the rugged structure of Spiral Construction's spiral staircase at Plymouth's Bar Ha Ha. A steel framework with GRG boarding and plastered finish complete the sculptured appearance.