2 adverbs to describe how to tinkering

He would tinker happily with this, driving a nail, adjusting a screw.

But, happily, it is not one's duty to make other people uncomfortable by perpetually tinkering at that trait in them which most offends our own nature; and I thought it more for my good and hers to learn patience myself than undertake to beat her into order; the result of which was peace and good-will that vindicated my wisdom to myself; and I found her, faults and all, sufficiently fascinating and lovable.

2 adverbs to describe how to  tinkering  - Adverbs for  tinkering