The reason for the difference in effects from strain to strain is the variability of kratomâs alkaloids; in fact, there are over 28 identified alkaloids found within the plant with different half-lives and durations.
An average commercial steel building costs between $16 and $20 per square foot, including building package (I-Beams, purlins, girts etc.) , delivery, foundation and the cost of construction.lease note, because there are so many variables involved (interior & exterior finish being the main contributors) with commercial steel buildings, price figures for the average code per square foot can vary dramatically. Local building regulations can influence the cost of a steel commercial building.
The average cost per square foot for commercial building is in the  median range of $200. There are several factors that figure into  the price such as size and location.verage cost of home construction in Maine is about 120 to 140  dollars per square foot. Depending on the type of construction, it  could be somewhat more or less. 3 people found this useful.