Steam explosion major cause of human fatalities in volcanic eruptions. The 1986 Chernobyl nuclear disaster in Soviet Union was feared to cause major steam explosion (and resulting Europe-wide fallout) upon melting the lava-like nuclear fuel through the reactor's basement towards contact with residue fire-fighting water and groundwater. The threat was averted by frantic tunneling underneath the reactor in order to pump out water and reinforce underlying soil with concrete. When a pressurized container such as the waterside of a steam boiler ruptures, it is always followed by some degree of steam explosion. A common operating temperature and pressure for a marine boiler
Abortion in Ukraine Abortion in Ukraine Abortion in Ukraine is legal on request during the first twelve weeks of pregnancy. Between 12 and 28 weeks, abortion is available on a variety of grounds, including medical, social and personal grounds, and for any reason with the approval of a commission of physicians. Prior to 1991, abortion in Ukraine was governed by the abortion laws of the Soviet Union. The laws have not changed since then. Abortion rates have fallen from 109 abortions per 1000 women aged 15–44 in 1986 to 80.9 in 1991, 67.2 in 1996 and 27.5 in 2004. , the abortion rate