Is the maximum wt that can be borne by the deck,hatch cover,tank top at the corner of a bottom slot near the cell guide.
the total weight of the number of containers, in a row is called the stack weight.
a great circle track is the shortest distance , measured along the earth's surface , btween 2 poles. a great circle track cuts successive meridians at different angles b'coz meridians are nt parallel to each oder . the course, therefore, shud change slightly whilst crossing each meridia.practically at sea, the departure and arrival positions are plotted on a gnomonic chart and joined by a straight line . the vertex and suitable points are read off the chart and the navigator does mercator sailing from point to point thereby following the great circle track effectively ..!!
two all around red light placed where it can best be seen, if making way through the water in addition to red light side light and stern light.
there will be two red liht plus all navigatinal light
2 all round red lights in vertical line, and if making way in addition, sidelights n sternlight