A wire-stripping tool that has a pair or more of cutters sized for one gauge of wire. The chain has a longitudinal axis and comprising a plurality of links pivotally interconnected by transverse articulation elements. Each lamp cup can be separately detached for replacement to save maintenance cost and to enhance the heat dissipation function and to shorten the working time. Players agree on a limited geographic area for play and tiles with indicia relevant to the area are placed in the bag. The bottom body has multiple bottom grooves communicating with the top hole of the top body.