Truck Driving School Costs. The average length of PTDI-certified courses is four to six weeks, though courses may be as short as two weeks or as long as 12 weeks or more. The average cost of PTDI-certified courses is about $4,200, though the cost of truck driving school may be as low as $1,500 and as high as $10,000.
Orthopnea is the opposite of platypnea, shortness of breath that worsens when sitting or standing up.
The Platypus (Ornithorhynchus anatinus) is a semi-aquatic mammal  endemic to eastern Australia and Tasmania. Together with the  short-beaked and long-beaked echidna, it is o â¦ ne of the three  species of monotremes, the only mammals that lay eggs instead of  giving birth to live young.