Salary. During residency training, an OB/GYNâs annual salary may range from $45,000 to $60,000. Salary will increase with each year of training. After residency is completed, the starting salary is generally between $200,000 and $250,000 per year.alary. During residency training, an OB/GYNâs annual salary may range from $45,000 to $60,000. Salary will increase with each year of training. After residency is completed, the starting salary is generally between $200,000 and $250,000 per year.
copper and steel metal roofing is typically made of galvanized or stainless steel sheeting but copper sheets and tiles are also available the cost of a steel roof depends on the sheet profile the finish applied and the size and shape of your roof but offer excellent durability with a lifespan of 50 years or more copper offers an old world appeal to your roof as it ages to a pale green patina and can last up to 100 years
The best experienced roofing companies in Denver agree that slate is the most durable of all roof types. It can last from 30 to 100 years. Metal and wood can last of up to 40 years, while asphalt and clay can last up to 20 years. Proper maintenance â if the owner is vigilant and is taking care of his house by hiring professional roofers for annual inspection, the roofing system tends to last longer.