Technician A says that weld-through primer can be removed from the immediate weld area to improve weld quality. Technician B says that weld-through primer can be removed from adjacent areas to the weld site to improve penetration. Who is right

Abarometer contains mercury with a density of 13600 kg/m3. atmospheric conditions are 95.8 kpa and 20 °c at 20 °c, the vapor pressure of the mercury is 0.000173 kpa. the column of mercury will rise to a height of most nearly. select one: a)- 0.38 m b)- 0.82 m c)- 0.48 m d)- 0.72 m