Cum tool usus ad re cautiones

1. nolite stare supersi instrumentumne aut perscriptorem accidentia

2. maximi ponderis gravitatem excedere debet loculum;

3. gerunt caestus cum usura tools quaeso ne acuti et aspera per equum substitutum obiecti;

4. eligesi instrumentum When using a certified si instrumentum, use a certified si instrumentum. 

5. Plastic si instrumentum are generally made of engineering plastics. Do not hit them with hard objects to prevent cracking. 

6. Metal si instrumentum. The surface of the metal si instrumentum is mostly painted or galvanized. Do not use hard Object slippery surface; 

7. obiecti modica, locus in quo proventus repono spatium.