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
As has been demonstrated to be the case on commercial roofs made of other roofing materials, they will require attention over time. Life expectancy for roof coatings will vary from coating to coating due to each coatingâs specified thickness and product quality. Many coatings, though, have manufacturing warranties for 5-10 years depending on the roof system for which they are intended. It is not a stretch to say that the average roof coating can go for an entire decade without major trouble.