Why do we humans have to constantly improve our work tools?

to constantly improve our productivity, durability of structures and items, quality of products, ease, ect ect

b toward the volcano.landward. the landward side of something is the side nearest to the land or facing the land, rather than the sea.

to reform the distraught soviet union, the democratization of the communist party was promoted through party secretary mikhail gorbachev's policies of “perestroika” and “glasnost.” perestroika refers to the reconstruction of the political and economic system established by the communist party.