How to clean skateboard bearings<br>Gather the necessary materials. To make this job go faster and get you back on your board sooner, having the right tools at the ready is a must. The necessary items are listed below under things you'll need.
You need to buy a tool to do this job. 
It could be incorrect because I already have the tool. Or I could use something other than a "tool" to clean the bearings, maybe just spray wd-40. It could also be correct that without at least one tool I would not be able to complete the job. 
( z1 need :ARG0 ( z2 you ) :ARG1 ( z3 buy :ARG0 z2 :ARG1 ( z4 tool ) :purpose ( z5 do :ARG0 z2 :ARG1 ( z6 job :mod ( z7 this ) ) ) ) )