11a Inferior high explosive inserted in detonator. (5)*H*A*.
10a Rules of apprenticeship written by journalists (8) *R***S*S
12a Cattle fodder found in switzerland.(7) L***A*E
Thank you in advance...
14a Indicate even briefly in charge though in a mess. (6) E***c*
17a Convincing little man joins company. (6) C***N*
6d Coming to a halt its finally first rate. (8)*T*P****
Thank you in advance...