Brandish a gunâIn England, bank robbers who threatened employees and customers with a gun stole, on average, about $16,000 more than robbers who were unarmed. Of course, showing off a gun raises the risks as wellâarmed robbery almost always comes with a minimum jail sentence and makes things more dangerous.
Dive Support Vessels.  Dive support vessels or diving support vessels are ships used in professional diving projects as a floating base. Diving systems are considered can compete for valuable deck space in oil and gas production platforms. It is far more practical to use mobile floating dive support vessels.
Pressure vessels are constructed to withstand a specific Operating Pressure and have a Maximum Allowable pressure. They may be Horizontal or Vertical Cylindrical, or Spherical, Hemispherical, Small cylinders as for LPG...etc. They will be fitted with Safety Relief Systems. Tanks are vessels used at Atmospheric pressure.