Electric Heating Systems for road tankers offer reliability, ease of installation, close temperature control freedom from corrosion and maintenance. ESH heater pad systems offer maximum flexibility of design to suit individual requirements. They are constructed from robust high temperature materials operating up to 200Â°C. Each system comprises a number of heater pads fitted to the underside of the tanker and covering up to 60% of the tanker circumference enabling low density heating to be used with heat sensitive products.
The contagious period for a cold lasts about three to four days into the illness. As a general rule, people with a cold are most contagious about three days after their initial exposure to the virus.For more information on colds, influenza and related topics, check out the links on the next page.Print.n fact, many of us are completely wrong. If you think about how a virus works, it makes sense that we're most contagious when our symptoms are at their worst. Viruses like influenza and those that cause the common cold (there are a couple of hundred of them) have an incubation period once they get into your body.
Based on previous studies, their best guess is that a person becomes contagious about two to three days before developing the usual symptoms of a cold. Second, this contagious period can last until the person no longer shows any symptoms.So in theory, a person is contagious for about two weeks. (Click Cold Symptoms to read about the symptoms of the common cold or Cold and Flu Symptoms to learn the difference between a cold and the flu.).Let's assume you're the one with the cold.During the two-week period when you're contagious, research indicates that you'll be most likely to transmit the cold virus when you're experiencing cold symptoms. The period when you're most contagious is when your symptoms are at their worst -- day 2 to day 4 of the cold.ased on previous studies, their best guess is that a person becomes contagious about two to three days before developing the usual symptoms of a cold. Second, this contagious period can last until the person no longer shows any symptoms.