To tap a rubber tree (in order to make the sap (latex) flow); to make the initial groove and to make subsequent cuts.
In rubber tapping a diagonal cut is made on one side of the tree trunk. The initial cut is a groove that should not cut into the cambium. When the sap has stopped flowing a narrow shaving is cut from the lower edge of the tapping groove to renew the latex flow.
The rubber tree is big enough to be tapped.
Bang ubus magsaha' magdiskuhi.
When one has finished tapping, one collects.
He knows how to tap rubber trees.