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.
The Contagious Period. A person is contagious during the hepatitis B incubation period. A person who is infected with the virus begins to be contagious early in the incubation period. About one-half of people remain contagious for up to two months after symptoms begin. The remainder of people who do not develop chronic hepatitis B will remain contagious for up to 15 weeks after symptoms begin.