new safety staircase for outdoors use built with stainless steel metal sheet with improved adherence - industrial style staircase

staircases staircase handrail steps and stainless steel iron metal railings bannister banister fence guardrail balustrade stairwell protection pedestrian perforated granitepatterned public safety aluminum outdoors moving down railing geometric shape industry industrial sheet enhanced grip improved adherence stairs stair aluminium outdoor step modern stairway architecture design building construction structure style