ðɛɹwˌʌz nˈoʊ sˈuːɾəbəl wˈʊd pɹɪzˈɜːvətˌɪv ɐvˈeɪləbəl, ænd dᵻpˈɛndɪŋ ˌɔn klˈaɪmət, tɹˈæks nˈiːdᵻd nˈuː bˈoːɹdz ˈɛvɹi fˈaɪv jˈɪɹz ˌɔn ˈævɹɪdʒ.
There was no suitable wood preservative available, and depending on climate, tracks needed new boards every five years on average.