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.
The Costs of Brick Patio Pavers. According to our brick patio material cost guide, expect to pay between $10 and $60 per square foot. The final price will largely depend on your base material and brick of choice. The overall price for the project can be divided into two basic groups.epending on the overall size of the area, the project could cost upwards of $1,000-1,500 (though much more of this price comes from professional installation). The most essential aspect of what the patio will cost is the type of brick chosen.