Of course, these oil changes & valve adjustments are relative to the life expectancy of the engine. I think (hope) Jims 600 hr est is conservative, my oil ch schedule exceeds OEM specs, I am ballparking the depreciation factor to 900 hrs @ 150 hrs per year = 6 years.
The 4th-century Tomb of the Lionesses consists of a small chamber with gabled roof. The painting depicts flying birds and dolphins and scenes from the life of the Etruscan aristocracy. The 6th-century Tomb of the Hunting Pavilion shows the view seen through the transparent fabric of the pavilion.
Scans of King Tutâs Tomb Reveal New Evidence of Hidden Rooms. Second round of radar scanning will look for more clues to what lies behind the walls of Tutâs burial chamber. One theory: the tomb of famous Queen Nefertiti. The walls of King Tutankhamunâs burial chamber are painted with scenes depicting the burial rituals of the young pharaoh. Radar scans suggest the presence of open spaces behind the walls.