East African Portland Cement Company East African Portland Cement Company East African Portland Cement Company commonly known by its abbreviation EAPCC, is a Kenyan based construction company specializing in the manufacturing and selling of cement and cement related products. EAPCC's headquarters are located in Athi River, a small town about 30 km from Nairobi, Kenya's capital city. The company has operations in Kenya and Uganda. East African Portland Cement Company started as a trading company importing cement mainly from England for early construction work in British East Africa (now Kenya) as an agent of Blue Circle Industries of the United Kingdom. The name "Portland" was
Equator is commonly modeled as a sphere flattened 0.336% along its axis. This makes the Equator 0.16% longer than a meridian (a great circle passing through the two poles). The IUGG standard meridian is, to the nearest millimetre, , one arc-minute of which is , explaining the SI standardization of the nautical mile as , more than less than the geographical mile. The sea-level surface of the Earth (the geoid) is irregular, so the actual length of the Equator is not so easy to determine. "Aviation Week and Space Technology" on 9 October 1961 reported that measurements using the Transit IV-A