Labels:crt screen | sky | tree OCR: Some of these newer generation systems utilize clamping mechanism on the panel seam. They are deserving of scrutiny however be sure that fasteners do not overly distort the seam and that they have round polished point so that the seam material not S-51 UTILITY CLAMP pebnob destroying the Trapezoidal Panel Seam finish or causing corrosion. pobnob