Object

• resource: Better yet, PC-cillin's virus scanner is fast without overtaxing system resources, and its interface is orderly and easy to navigate.

• system: They are cooling and moisturizing, as well as nourishing, and make no great demands on an already overtaxed system.

• muscle: Its shaped sides hold the overtaxed lateral muscles, giving double the support of any ordinary lumbar cushion.

Modifying Another Word

• not: Carefully study the well-being of your men, and do not overtax them.

• already: They are cooling and moisturizing, as well as nourishing, and make no great demands on an already overtaxed system.

• n't: I guessed this was as much to ensure we did n't overtax ourselves as anything else.