Cormels type 7 produced corms and cormels type 1 to 8 in greater quantity than type number 8 and corms type 1, 2, 3, 4 and 5 were heavier. Cormels type 8 also produced corms and cormels type 1 to 8, however their cormels were heavier than cormels produzed by type 7.