Article VII of the Constitution required nine of thirteen states to ratify the Constitution for it to become law. In June 1788, New Hampshire became the ninth state. Rhode Isl â¦ and was the last of the states to ratify, in May 1790.
Storage Volume. A small (50- to 60-gallon) storage tank is usually sufficient for one to two three people. A medium (80-gallon) storage tank works well for three to four people. A large tank is appropriate for four to six people. For active systems, the size of the solar storage tank increases with the size of the collector -- typically 1.5 gallons per square foot of collector.
Residential storage tanks are typically 120, 250, 500 or 1,000 gallons, either above-ground or underground. 1  For safety, propane tanks should only be filled to about 80% of total capacity. 2  Propane is sold by private companies. Some homeowners own their propane tank, while others rent or lease it from the propane company.