removable without much difficulty
21Chemical biology — is a scientific discipline spanning the fields of chemistry and biology that involves the application of chemical techniques and tools, often compounds produced through synthetic chemistry, to the study and manipulation of biological systems.… …
22Presidential system — [clarification needed]Presidential republics with a full presidential system are denoted in Blue. Countries with a semi presidential system are denoted in Yellow. Parliamentary republics with an exe …
23Horse jumping obstacles — Various obstacles are found in competitive sports involving Horse jumping. These include show jumping, hunter, and the cross country phase of the equestrian discipline of eventing. The size and type of obstacles vary depending on the course and… …
24Trailer sailer — A trailer sailer is a small yacht or large dinghy style of sailboat that is moved to sailing locations and stored on a road trailer. It is neither a Day sailer or a Pocket cruiser but may be used for either purpose depending upon design… …
25Digital photography — Nikon D700 a 12.1 megapixel full frame DSLR …
26Second Battle of El Alamein — Part of Western Desert Campaign …
27bridge — bridge1 bridgeable, adj. bridgeless, adj. bridgelike, adj. /brij/, n., v., bridged, bridging, adj. n. 1. a structure spanning and providing passage over a river, chasm, road, or the like. 2. a connecting, transitional, or intermediate route or… …
28Bell P-39 Airacobra — P 39 Airacobra P 39Q 1BE 42 19447, Saga Boy II of Lt. Col. Edwin S. Chickering, CO 357th Fighter Group, July 1943 Role Fighter …
29Sport climbing — is a style of rock climbing that relies on permanent anchors fixed to the rock, especially bolts, for protection. It contrasts with traditional climbing, in which the rock is typically devoid of fixed anchors and climbers must place removable… …
30mining — /muy ning/, n. 1. the act, process, or industry of extracting ores, coal, etc., from mines. 2. the laying of explosive mines. [1250 1300; ME: undermining (walls in an attack); see MINE2, ING1] * * * I Excavation of materials from the Earth s… …
