coalesce, merge, conflate, aggregate, unite, meld, combination, commingle, mix, immix, more...

separate, divide, split, disassemble, disconnect

harvester, thresher, reaper, more...

new, industrial, great, large, big, huge, international, latter, lemon, metallurgical, powerful

unite; to juxtapose,   to merge,   use together,   to pool,   mix match,   form together,   mash together,   mix numbers,   put them together,   harvesting machine