как минимум создай единую процедурку
что-то типа
Код:
OnOffTimers(state:boolean)
begin
Timer1.Enabled := state;
Timer2.Enabled := state;
Timer3.Enabled := state;
Timer4.Enabled := state;
Timer5.Enabled := state;
Timer6.Enabled := state;
Timer7.Enabled := state;
Timer8.Enabled := state;
Timer9.Enabled := state;
Timer10.Enabled := state;
end;