there is one time, i took 28kg dumbel for my chest press, after finish my set, i want to put it back on the rack, there is 16kg dumbell on 28kg dumbell slot, what the fak? i need to put down my 28kg dumbel, take that 16kg back on its slot and take back my 28kg dumbel and place it back on its slot, then i take 30 kg dumbel for next set...

after finish, i want put my 30kg dumbel back, there is 10 kg dumbell at my slot, wtffffff this people