Bacterial Cells. Bacterial cells are very small-about 10 times smaller than most plant and animal cells. Most bacterial cells range in size from 0.2 to 10 microns or micrometers (0.0000079 to 0.00039 inches). Common Escherichia coli, or E.coli, bacteria are rod-shaped bacteria, 1 micron by 2 microns long.
1 Installing a concrete paver patio averages between $8 and $15 per square foot.  Stone: The most natural option, stone comes in several sizes, textures, colors and styles. Most homeowners opt for stone to create a design-focused patio. Installing a stone paver patio averages between $4 and $8 per square foot.
Labor Costs. When looking at the cost of a paver driveway, homeowners must factor in any labor costs. For an average 1,000 square foot driveway, the labor can cost $2,500 or more, which adds an additional $2.50 per square foot to the overall cost of the driveway.This assumes that the contractor completes the job within five days with a crew of up to five men.abor Costs. When looking at the cost of a paver driveway, homeowners must factor in any labor costs. For an average 1,000 square foot driveway, the labor can cost $2,500 or more, which adds an additional $2.50 per square foot to the overall cost of the driveway.