ordnance – n. military weapons including explosives and ammunition

scrap – n. material from unwanted or broke things, often used with metal

supplement – n. something in addition to

prosthetics – n. an artificial replacement for a body part such as and arm or leg

comprehensive – adj. complete or nearly complete, including all or most parts of something

methodology – n. a detailed plan for carrying out a task or a method

gaps – n. a hole; a space between two things; a missing part