The former approach comprises the use of sorbents [2, 3], solidifiers [4, 5], dispersants [6, 7], and gelators [8, 9].
(१) फेवा (२) रुपा (३)वेगनास (४) दिपाङ (५) मैदी (६) कमल (७) न्यूरेनी (८) गुदे (९) खास्टे ।