Examples include: 1  Gliomas. 2  Meningiomas. 3  Acoustic neuromas (schwannomas). 4  Pituitary adenomas. 5  Medulloblastomas. 6  PNETs. 7  Germ cell tumors. 8  Craniopharyngiomas.
Depending on the internal quality of parts in water heater and whether you have followed maintenance schedule of draining and flushing the tank every year. You can expect a hot water heater to last between 8 to12 years. Water heater problems normally become self-evident: A hot water faucet fails to summon hot water, you see dripping or puddles near the water heater, or the tank emits strange gurgling or popping sounds.
A properly maintained and installed furnace can last 20 years while an air conditioner and heat pump can last around 16 years and 14 years, respectively (on average). As you can imagine, heating and cooling technology progresses immensely over such a long period of time.