But volunteerism and a good samaritan spirit, the two defining ideals sustaining this massive campaign, is endeavouring to provide a safer and sanitable environment for the protestors. On Friday, a contingent of four men, two of them carrying anti-dengue fogging machines, carried disinfection in various stretches of the protest site. Many were taken by surprise as these men, briskly walked around the area, while a white cloud of disinfecting smoke filled the air. "We have come to offer 'sewa' (services) from Gurudwara Nada Sahib in Panchkula. We want our farmers to be safe in this environment...