Possible Clues:

• Having power to remove both ends of slab
• Bale shot, having skills
• Competent brewer initially brought in beer
• Handy
• Up to doing the job
• With the skills to do the job
• Efficient medical treatment out of bounds
• By the sound of it, murderer's brother is competent
• Suffix for 'fashion' or 'dance'
• Having the capability