Dr David A French, thermal process authority @aardvarkassoc active 2 years, 1 month agoActivityProfileFriends 0Groups 10ForumsPersonalMentionsFavoritesFriendsGroups Show: — Everything —UpdatesProductsCFOsFriendshipsNew GroupsGroup MembershipsGroup UpdatesPostsCommentsTopicsReplies Sorry, there was no activity found. Please try a different filter.