The longevity of the ink depends on the pen, but most are about 6â8 months. If the pen dries up, you can try heating up the ballpoint part with hot water in case the rollerball is stuck. Another option is to keep the casing and purchase a refill for the pen. You can find ink refills online in the office supplies section of Shoplet.
Foot fatigue is a common condition that occurs after you stand or walk for long periods of time. The foot muscles become overly tired and cramp, causing the sufferer to experience pain and begin to limp.
Injury, overuse, or conditions causing inflammation involving any of the bones, ligaments or tendons in the foot can cause foot pain. Arthritis is a common cause of foot pain. Injury to the nerves of the feet may result in intense burning pain, numbness or tingling (peripheral neuropathy).Some common causes of foot pain include: 1  Achilles tendinitis.2  Achilles tendon rupture.rthritis is a common cause of foot pain. Injury to the nerves of the feet may result in intense burning pain, numbness or tingling (peripheral neuropathy). Some common causes of foot pain include: 1  Achilles tendinitis. 2  Achilles tendon rupture.