Experiments are (1) done to learn something or discover if something works or (2) . Before conducting such experiments, one must know how to use the (3) . Some of these are (4) . It is also important to be aware of the (5) so as to avoid accidents. The different (6) will help the researcher too, to carry out a correct experiment like (7) . In addition, knowing and understanding the rules for studies with (8) , (9) and (10) ensure strict compliance with the international guidelines and regulation on biosafety.