"The tacky wax used may, for example, have a tack ranging from 0.7 N.s to 30 N.s, such as greater than or equal to 1 N.s, for example, from 1 N.s to 20 N.s, further such as greater than or equal to 2 N.s, for example, from 2 N.s to 10 N.s and further, for example, from 2 N.s to 5 N.s." . . . .