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Question: computer chips are etched on circular cylinder wafers of thickness 0.60mm that are sliced from a solid cylindrical silicon crystal of length 30cm . If each wafer can hold 100 chips, what is the maximum number of chips that can be produced from one entire cylinder.
The key here is to open up the pores of the concrete so the epoxy has something to sink into. The Original Color Chips Floor Coating System Etch 'n. Clean will provide both the cleaning and the profiling in one operation. If the concrete is profiled to resemble 100 grit sandpaper or more coarse you are. ready to coat. If the concrete is trowelled to a glass-like finish you may have to etch multiple times to get the surface to the right texture.