A tanker truck pulls a liquid tank on wheels that is unique in various ways of design in the trucking industry. It also requires a specially trained driver to deliver the product to the customer. The driver will transport a variety of gases, fuels and liquid products all over the country. The tanks are specially constructed for the product being transported. Some tankers are made only of a steel shell to haul liquids that are not under pressure, such as oil, water, milk, and a variety of chemicals to name a few. Some tankers have a shell made of very thick steel to withstand high pressures of various pressurized gases, that also have pressure relief valves to release any excess pressure that could be caused by overfilling, or extreme heat so to prevent any danger of rupturing the vessel. And some tankers are constructed with an inner and outer shell with insulation between them to keep the liquified gas being transported at a stable temperature. These gases typically have a temperature below -230 degrees and are called cryogenic gases. The truck driver pulling a tanker will have to acquire a CDL (commercial drivers license) with a Hazmat endorsement. Its an endorsement that requires the driver to take an additional set of tests to insure he is familiar with the transport, delivery, and all of the hazards and safety measures of the product they are likely to haul.
Some drivers buy their own fuel trailers specially designed for the product they will deliver regularly through their own business. In most cases the driver works for the company producing the product or a company that picks up their own fuel or product needs as a cost saving measure. Delivery drivers could make one stop and drop the entire tanker load or several small deliveries such as truck stops, or industrial applications with under or above ground storage. Either way the tanker truck driver will spend many hours on the road and must know all of the safety requirements for the product being delivered. The driver is usually required to connect all fill hoses to deliver the product safely. So complete knowledge of the products hazards and available safety equipment such as a hardhat with face shield, gloves, safety shoes, and long sleeves are a must. Whether a driver is self employed or working for a delivery company, driving a tanker truck is a specialized occupation that requires full knowledge and understanding of product safety, road safety and job sight safety.
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