This paper introduces two variants of a multiple criteria scatter search to deal with nonlinear continuous and combinatorial problems. applying a tabu search approach as a diversification generator method. Frequency memory and another escape mechanism are used to diversify the search. A Pareto relation is applied in order to designate a subset of the best generated solutions to be ref... https://www.roneverhart.com/Christmas-Ornament-Ice-Ball-Molds-Design-Set-Options/