The spelling of "amtek" can be explained using the International Phonetic Alphabet (IPA). It is pronounced as /æmtek/, with the "a" sound being short and the "t" sound being unvoiced. The "m" and "k" sounds are both voiced, with the "m" being nasal. The spelling of "amtek" follows English phonetic rules, with the "a" and "e" vowels making the "ae" diphthong sound, similar to "am" and "tech" combined. Overall, the spelling of "amtek" closely matches its pronunciation according to IPA.