Ships Hull construction question

Hello all,

My question is simple and is this, what is the very best material to use for the frame work of a ships hull prior to facing up with the ships actual side`s please as, i have a problem cutting hard thick materials now a days due to dexterity problems, so, what material would be best and best ways of cutting said bulk heads keel etc etc!!!???????.

Many grateful thanks for any helpful advice given,


Tom...........:)