When a climbing distance of landing platforms must be in place every feet. platforms will be offset from the adjacent section of the ladder to break the distance of a free fall.

go to the black logo in top left corner of page and click and you are there

professionals can use many types of technology that can them. some examples are, computers (they research and can use for programs for data, they are also used for job applications, school work, and even to make new ideas), speedometers (can get data for unknown data), sometimes something as small as a pen (used for rough drafts, to insert data, and again job applications).