In article ,
Sarennah wrote:
Typical task: building shelving on a brick wall. Problems
encountered: not able to drill as far as desired into wall, especially
when on ladder (this is not me, good old Dad came and finished the job
with ease and same drill bit);

You could have solved this with an SDS electric drill - they go through
any masonry like butter. Cheap ones can be rather heavy, though.

then not able to fully screw in the
screws (after the holes made deep enough, and again completable by
Dad). Possible market: approx one half the population.

Again, a decent screw driving drill with pozidriv screws would get round
the lack of wrist strength.

Bike tools equally - its a real struggle to ensure wheels are tight
enough using wrench (on wheels without quick release, with the quick
release the problem is different, but still there).

Bike spanners are designed to give the correct torque with an average
pull. If you can't provide that pull, use a longer spanner. Quality car
types usually are. Or use your weight to provide the effort rather than
pulling - stand on the spanner.

--
*Modulation in all things *

Dave Plowman London SW 12
RIP Acorn