[!tag=VBP] [lemma=□] □ □
[!tag=VBP] [lemma=capable] □ □
The procedure uses a 37-mm filter and a calibrated pump capable of at least 8 hours of sampling at 2 L / min . That mankind are not infallible ; that their truths , for the most part , are only half-truths ; that unity of opinion , unless resulting from the fullest and freest comparison of opposite opinions , is not desirable , and diversity not an evil , but a good , until mankind are much more capable than at present of recognizing all sides of the truth , are principles applicable to men 's modes of action , not less than to their opinions . That mankind are not infallible ; that their truths , for the most part , are only half-truths ; that unity of opinion , unless resulting from the fullest and freest comparison of opposite opinions , is not desirable , and diversity not an evil , but a good , until mankind are much more capable than at present of recognising all sides of the truth , are principles applicable to men 's modes of action , not less than to their opinions . You 'll want a projector capable of at least a 1,500:1 contrast ratio . Note 1 : Crew members capable of at least 8 hours of flying per day and 14-hour duty day .