public static final boolean isMulungSkill(final int skill) {
	switch (skill) {
	    case 1009:
	    case 1010:
	    case 1011:
	    case 10001009:
	    case 10001010:
	    case 10001011:
	    case 20001009:
	    case 20001010:
	    case 20001011:
		return true;
	}
	return false;
    }