DO: Use the wooden handle to lower to the test part

DO NOT: Test with rams extended

King Tester_Brinell Tester_Rockwell Tester_Metal Hardness_Aerospace
King Tester_Brinell Tester_Rockwell Tester_Metal Hardness Testing 2

DO: Only remove the Sac Nut to change oil

DO NOT: Tamper with Sump Nut

King Tester_Brinell Tester_Rockwell Tester_Metal Hardness Tester_Materials Testing
King Tester Brinell Tester Rockwell Tester Metal Hardness Testing 3