To be deductible, a business expense must be both ordinary and necessary. An ordinary expense is one that is common and accepted in your trade or business. A necessary expense is one that is helpful and appropriate for your trade or business. An expense does not have to be indispensable to be considered necessary. It is important to separate business expenses from the following expenses:
A duple meter metronome that is useful for 2/4, 2/8, 2/2 (cut time), and 6/8 when it has two beats per measure.
The only equipment that you need are a good quallity glass cutter, a straight edge, and a measuring tape. And the nerves to do it. It's just like a small piece of glass, you start the crack on the scored line on the edge nearest to you, and 'run out' the crack, across the sheet.Splitting a large sheet, you're just lifting it slightly off of the table and bending it slightly away from the scored side.he only equipment that you need are a good quallity glass cutter, a straight edge, and a measuring tape. And the nerves to do it. It's just like a small piece of glass, you start the crack on the scored line on the edge nearest to you, and 'run out' the crack, across the sheet.