Smoothness Tester
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DRK105 Meta Smoothness
O le DRK105 smoothness tester o se pepa atamai ma pepa malo smoothness faatinoga suʻega meafaigaluega fou fuafuaina ma atiina ae e tusa ai ma le mataupu faavae o le faaaogaina faava o malo meafaigaluega smoothing Bekk.