If you are doing any Type of electric arc welding you need to isolate the computer. After you disconnect the battery you need to have the welding ground clamp as close to the weld as possible being sure that there is nothing electrical between the weld area and the ground clamp. If it is TIG welding then you really have to be careful as the high frequency can and will go anywhere.
If you have had scabies, the symptoms could appear within one to four days after being exposed. Mites are most active at night and the most intense itching occurs at night. Telltale symptoms of scabies include intense nighttime itching and a rash.cabies mites can only live for 48 to 72 hours when not in contact with skin. Indirect transmission is more likely when a person has crusted scabies, and the shard fabric has been in direct contact with skin.
The scabies infestation usually lasts until treated. People are usually no longer contagious within 24 hours of treatment. Even after successful treatment, the dead mites, dead eggs, and fecal material will remain in the skin for 2 to 4 weeks (until the skin grows out).cabies is highly contagious. Spread of the mites usually occurs directly from person to person. The greater the extent and duration of touch, the more likely the mites are to spread. Catching scabies from objects (fomites) is far less common, but the mites can live in the absence of a person for 48 to 72 hours.