Stem Mixing

<use xlink:href="/assets-global/icons/svg-sprite.svg?v=2020-09-18-211521-997fcf6-016840#ico_plus"> <use xlink:href="/assets-global/icons/svg-sprite.svg?v=2020-09-18-211521-997fcf6-016840#ico_minus">

<use xlink:href="/assets-global/icons/svg-sprite.svg?v=2020-09-18-211521-997fcf6-016840#ico_plus"> <use xlink:href="/assets-global/icons/svg-sprite.svg?v=2020-09-18-211521-997fcf6-016840#ico_minus">

<use xlink:href="/assets-global/icons/svg-sprite.svg?v=2020-09-18-211521-997fcf6-016840#ico_plus"> <use xlink:href="/assets-global/icons/svg-sprite.svg?v=2020-09-18-211521-997fcf6-016840#ico_minus">

<use xlink:href="/assets-global/icons/svg-sprite.svg?v=2020-09-18-211521-997fcf6-016840#ico_plus"> <use xlink:href="/assets-global/icons/svg-sprite.svg?v=2020-09-18-211521-997fcf6-016840#ico_minus">