Can't Find Disinfectant Wipes for your Techs?
Take Coffee Filters and make a Bleach Solution then add it to the coffee filters in a sealed plastic container. Label it and add give it to each technician to carry in their vehicle.
How to prepare a bleach solution: 1/3 cup of bleach per 1 gallon of water.
Can't Find Bleach?
Purchase plain old Rubbing Alcohol over 70%, use 2 x 2 gauze pads, saturate pads, and place them in a sealed container. Add some alcohol into bottom of container to prevent it from drying up.
Take Rubbing Alcohol over 70%, place it in a spray bottle, and use it on surfaces to disinfect.