An analgesic or painkiller is any member of the group of drugs used to achieve analgesia, relief from pain. Analgesic drugs act in various ways on the peripheral and central nervous systems. They are distinct from anesthetics, which reversibly eliminate sensation. Analgesics include paracetamol (known in the US as acetaminophen or simply APAP), the non-steroidal anti-inflammatory drugs (NSAIDs) such as the salicylates, and opioid drugs such as morphine and oxycodone.
it is important to realise that an acre can be measured in any shape from rectangles to circles or even hexagons so long as the total area of land is 43560 square feet the most common shape for an acre is 1 furlong by 1 chain or 660 feet by 66 feett is important to realise that an acre can be measured in any shape from rectangles to circles or even hexagons so long as the total area of land is 43560 square feet the most common shape for an acre is 1 furlong by 1 chain or 660 feet by 66 feet
One acre equals 0.0015625 square miles, 4,840 square yards, 43,560 square feet or about 4,047 square metres (0.405 hectares) (see below).ince the difference between the US survey acre and international acre is only about a quarter of the size of an A4 sheet of paper (0.016 square metres, 160 square centimetres or 24.8 square inches), it is usually not important which one is being discussed.