Calculate gross and net tonnage, hold capacities, volumes of stored fuel andwater, cargo weights, andvessel stability factors, using mathematical formulas.
Measure vessels' holds and depths of fuel andwater in tanks, using sounding lines and tape measures.
Post warning signs on vehicles containing explosives or flammable or radioactive materials.
Read draft markings to determine depths ofvessels in water.
Calculate weights, volumes or other characteristics ofmaterials.
Direct material handling or moving activities.
Mark materials or objects for identification.
Measure product or material dimensions.
Measure the level or depth ofwater or other liquids.