Testing. 1  All dogs should be tested annually for heartworm infection. Since not all pets receive the proper dose of preventives, the AHS recommends a more conservative testing routine than in the past. 2  Dogs should be tested for heartworm if they are going to be switched from one preventive to another. If a pet owner switches between preventives, there are specific time periods in which their pet should be retested in order to ensure the pet is protected.
Step 4: Testing for an Open Cell in a Flooded/Wet cell battery. If you have the sealed type batteries, this test method cannot be used. Use a temperature compensating battery hydrometer for this test. a.) With the hydrometer, measure and record the specific gravity of each battery cell.
Identifying the Battery Type. 1  1. Protect your hands and face. Battery leaks can contain caustic chemicals that irritate the skin, lungs, and eyes. 2  2. Double-bag the battery. For small batteries, use transparent plastic so you can identify the type of battery before you continue. 3  3. Determine the battery type.