public virtual MachineryOnShift SetLocation(QuarryArea area = null, QuarryField field = null, QuarryHorizon hor = null, QuarryPlast plast = null, double picket = 0)
{
Area = area;
Field = field;
Horizon = hor;
Plast = plast;
Picket = IsNotNegative(picket) ? picket : 0;
return(this);
}
public MachineryOnShift()
{
Order = new Order();
Area = new QuarryArea();
Field = new QuarryField();
Plast = new QuarryPlast();
Horizon = new QuarryHorizon();
Group = new Group();
Crew = new List <Employee>();
Works = new List <Work>();
}