 
 <prompt> Wetin be di thing wey protect di user from backblast? Based on di last question, write small tori wey contain di answer. E fit be 1 - 20 sentences. Context: <response>: "Rocket-propelled grenades fit use against helicopters wey dey hover (e.g., by Somali militiamen during the Battle of Mogadishu (1993)). Firing an RPG for steep angles dey dangerous for the user, because the backblast from firing dey reflect off the ground. For Somalia, militia members sometimes weld steel plate for the exhaust end of an RPG tube to deflect pressure away from the shooter when dem dey shoot up at US helicopters. RPGs dey use for this role only when beta weapons no dey available." 